121655932036 has 24 divisors (see below), whose sum is σ = 214354656320. Its totient is φ = 60412109472.

The previous prime is 121655932019. The next prime is 121655932157. The reversal of 121655932036 is 630239556121.

It is a super-2 number, since 2×121655932036² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121655931983 and 121655932001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323961 + ... + 1412863.

Almost surely, 2^121655932036 is an apocalyptic number.

It is an amenable number.

121655932036 is a deficient number, since it is larger than the sum of its proper divisors (92698724284).

121655932036 is a wasteful number, since it uses less digits than its factorization.

121655932036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91243 (or 91241 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 121655932036 in words is "one hundred twenty-one billion, six hundred fifty-five million, nine hundred thirty-two thousand, thirty-six".