121740692888 has 32 divisors (see below), whose sum is σ = 231058139760. Its totient is φ = 60125470080.

The previous prime is 121740692881. The next prime is 121740692917. The reversal of 121740692888 is 888296047121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121740692881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4233278 + ... + 4261938.

Almost surely, 2^121740692888 is an apocalyptic number.

It is an amenable number.

121740692888 is a deficient number, since it is larger than the sum of its proper divisors (109317446872).

121740692888 is a wasteful number, since it uses less digits than its factorization.

121740692888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35147 (or 35143 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 121740692888 in words is "one hundred twenty-one billion, seven hundred forty million, six hundred ninety-two thousand, eight hundred eighty-eight".