122356513332426 has 128 divisors (see below), whose sum is σ = 256498884679680. Its totient is φ = 38865541017600.

The previous prime is 122356513332397. The next prime is 122356513332463. The reversal of 122356513332426 is 624233315653221.

It is a happy number.

It is a super-2 number, since 2×122356513332426² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10807918846 + ... + 10807930166.

It is an arithmetic number, because the mean of its divisors is an integer number (2003897536560).

Almost surely, 2^{122356513332426} is an apocalyptic number.

122356513332426 is an abundant number, since it is smaller than the sum of its proper divisors (134142371347254).

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

122356513332426 is a wasteful number, since it uses less digits than its factorization.

122356513332426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14080.

The product of its digits is 4665600, while the sum is 48.

Adding to 122356513332426 its reverse (624233315653221), we get a palindrome (746589828985647).

The spelling of 122356513332426 in words is "one hundred twenty-two trillion, three hundred fifty-six billion, five hundred thirteen million, three hundred thirty-two thousand, four hundred twenty-six".