121577262052 has 12 divisors (see below), whose sum is σ = 214435486720. Its totient is φ = 60309980136.

The previous prime is 121577262007. The next prime is 121577262061. The reversal of 121577262052 is 250262775121.

It is a junction number, because it is equal to n+sod(n) for n = 121577261996 and 121577262014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119662152 + ... + 119663167.

Almost surely, 2^121577262052 is an apocalyptic number.

It is an amenable number.

121577262052 is a deficient number, since it is larger than the sum of its proper divisors (92858224668).

121577262052 is a wasteful number, since it uses less digits than its factorization.

121577262052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239325450 (or 239325448 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 121577262052 in words is "one hundred twenty-one billion, five hundred seventy-seven million, two hundred sixty-two thousand, fifty-two".