121827477432 has 16 divisors (see below), whose sum is σ = 304568693640. Its totient is φ = 40609159136.

The previous prime is 121827477403. The next prime is 121827477461. The reversal of 121827477432 is 234774728121.

It is an interprime number because it is at equal distance from previous prime (121827477403) and next prime (121827477461).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2538072423 + ... + 2538072470.

Almost surely, 2^121827477432 is an apocalyptic number.

121827477432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121827477432 is an abundant number, since it is smaller than the sum of its proper divisors (182741216208).

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

121827477432 is a wasteful number, since it uses less digits than its factorization.

121827477432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076144902 (or 5076144898 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 48.

The spelling of 121827477432 in words is "one hundred twenty-one billion, eight hundred twenty-seven million, four hundred seventy-seven thousand, four hundred thirty-two".