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122131142100 = 2232521112336479
BaseRepresentation
bin111000110111110010…
…1010101010111010100
3102200020112021211212100
41301233211111113110
54000111033021400
6132034542122100
711552344402452
oct1615745252724
9380215254770
10122131142100
1147882933790
121b805580330
13b694889cb6
145ca83bb9d2
15329c120100
hex1c6f9555d4

122131142100 has 108 divisors (see below), whose sum is σ = 417614520960. Its totient is φ = 29607547200.

The previous prime is 122131142099. The next prime is 122131142137. The reversal of 122131142100 is 1241131221.

122131142100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6158340 + ... + 6178139.

It is an arithmetic number, because the mean of its divisors is an integer number (3866801120).

Almost surely, 2122131142100 is an apocalyptic number.

122131142100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122131142100 is an abundant number, since it is smaller than the sum of its proper divisors (295483378860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122131142100 is a wasteful number, since it uses less digits than its factorization.

122131142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12336510 (or 12336500 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122131142100 its reverse (1241131221), we get a palindrome (123372273321).

The spelling of 122131142100 in words is "one hundred twenty-two billion, one hundred thirty-one million, one hundred forty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 30 33 36 44 45 50 55 60 66 75 90 99 100 110 132 150 165 180 198 220 225 275 300 330 396 450 495 550 660 825 900 990 1100 1650 1980 2475 3300 4950 9900 12336479 24672958 37009437 49345916 61682395 74018874 111028311 123364790 135701269 148037748 185047185 222056622 246729580 271402538 308411975 370094370 407103807 444113244 542805076 555141555 616823950 678506345 740188740 814207614 925235925 1110283110 1221311421 1233647900 1357012690 1628415228 1850471850 2035519035 2220566220 2442622842 2714025380 2775707775 3392531725 3700943700 4071038070 4885245684 5551415550 6106557105 6785063450 8142076140 10177595175 11102831100 12213114210 13570126900 20355190350 24426228420 30532785525 40710380700 61065571050 122131142100