Search a number
-
+
122212202101122 = 23715344318963487
BaseRepresentation
bin11011110010011010111110…
…111001001011100110000010
3121000201101001111022112101010
4123302122332321023212002
5112004311042214213442
61111531302141221350
734512353203611120
oct3362327671134602
9530641044275333
10122212202101122
1135a389a4025391
1211859663261856
13532673ac86493
1422271603ca910
15e1e046e49b9c
hex6f26bee4b982

122212202101122 has 32 divisors (see below), whose sum is σ = 279344011456512. Its totient is φ = 34917542625744.

The previous prime is 122212202101111. The next prime is 122212202101159. The reversal of 122212202101122 is 221101202212221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3037138 + ... + 15926349.

It is an arithmetic number, because the mean of its divisors is an integer number (8729500358016).

Almost surely, 2122212202101122 is an apocalyptic number.

122212202101122 is an abundant number, since it is smaller than the sum of its proper divisors (157131809355390).

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

122212202101122 is a wasteful number, since it uses less digits than its factorization.

122212202101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19116942.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122212202101122 its reverse (221101202212221), we get a palindrome (343313404313343).

It can be divided in two parts, 12221 and 2202101122, that multiplied together give a palindrome (26911877811962).

The spelling of 122212202101122 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred two million, one hundred one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 153443 306886 460329 920658 1074101 2148202 3222303 6444606 18963487 37926974 56890461 113780922 132744409 265488818 398233227 796466454 2909814335741 5819628671482 8729443007223 17458886014446 20368700350187 40737400700374 61106101050561 122212202101122