121596678264 has 16 divisors (see below), whose sum is σ = 303991695720. Its totient is φ = 40532226080.

The previous prime is 121596678257. The next prime is 121596678271. The reversal of 121596678264 is 462876695121.

It is an interprime number because it is at equal distance from previous prime (121596678257) and next prime (121596678271).

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, 2533264107 + ... + 2533264154.

Almost surely, 2^121596678264 is an apocalyptic number.

It is an amenable number.

121596678264 is an abundant number, since it is smaller than the sum of its proper divisors (182395017456).

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

121596678264 is a wasteful number, since it uses less digits than its factorization.

121596678264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066528270 (or 5066528266 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The spelling of 121596678264 in words is "one hundred twenty-one billion, five hundred ninety-six million, six hundred seventy-eight thousand, two hundred sixty-four".