121335837631696 has 20 divisors (see below), whose sum is σ = 235129727941600. Its totient is φ = 60657198162912.

The previous prime is 121335837631667. The next prime is 121335837631739. The reversal of 121335837631696 is 696136738533121.

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, 669947436 + ... + 670128523.

It is an arithmetic number, because the mean of its divisors is an integer number (11756486397080).

Almost surely, 2^{121335837631696} is an apocalyptic number.

121335837631696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121335837631696 is a deficient number, since it is larger than the sum of its proper divisors (113793890309904).

121335837631696 is a wasteful number, since it uses less digits than its factorization.

121335837631696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340081626 (or 1340081620 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 64.

The spelling of 121335837631696 in words is "one hundred twenty-one trillion, three hundred thirty-five billion, eight hundred thirty-seven million, six hundred thirty-one thousand, six hundred ninety-six".