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122112031310 = 2512211203131
BaseRepresentation
bin111000110111001110…
…0011011101001001110
3102200012012022220210022
41301232130123221032
54000041140000220
6132033020342142
711552023066043
oct1615634335116
9380165286708
10122112031310
1147873070545
121b7bb0a4952
13b690928539
145ca5a451ca
15329a5e7925
hex1c6e71ba4e

122112031310 has 8 divisors (see below), whose sum is σ = 219801656376. Its totient is φ = 48844812520.

The previous prime is 122112031303. The next prime is 122112031333. The reversal of 122112031310 is 13130211221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1221120313102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6105601556 + ... + 6105601575.

It is an arithmetic number, because the mean of its divisors is an integer number (27475207047).

Almost surely, 2122112031310 is an apocalyptic number.

122112031310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122112031310 is a deficient number, since it is larger than the sum of its proper divisors (97689625066).

122112031310 is a wasteful number, since it uses less digits than its factorization.

122112031310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12211203138.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 122112031310 its reverse (13130211221), we get a palindrome (135242242531).

The spelling of 122112031310 in words is "one hundred twenty-two billion, one hundred twelve million, thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 12211203131 24422406262 61056015655 122112031310