121122685376 has 112 divisors (see below), whose sum is σ = 312689687040. Its totient is φ = 45138846720.

The previous prime is 121122685351. The next prime is 121122685379. The reversal of 121122685376 is 673586221121.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×121122685376² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122685379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420971 + ... + 647658.

Almost surely, 2^121122685376 is an apocalyptic number.

121122685376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121122685376 is an abundant number, since it is smaller than the sum of its proper divisors (191567001664).

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

121122685376 is a wasteful number, since it uses less digits than its factorization.

121122685376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068682 (or 1068672 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The spelling of 121122685376 in words is "one hundred twenty-one billion, one hundred twenty-two million, six hundred eighty-five thousand, three hundred seventy-six".