121200312232 has 32 divisors (see below), whose sum is σ = 231966753480. Its totient is φ = 59346743040.

The previous prime is 121200312199. The next prime is 121200312263. The reversal of 121200312232 is 232213002121.

121200312232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 106180829316 + 15019482916 = 325854^2 + 122554^2 .

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, 34803 + ... + 493570.

Almost surely, 2^121200312232 is an apocalyptic number.

It is an amenable number.

121200312232 is a deficient number, since it is larger than the sum of its proper divisors (110766441248).

121200312232 is a wasteful number, since it uses less digits than its factorization.

121200312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528973 (or 528969 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121200312232 its reverse (232213002121), we get a palindrome (353413314353).

The spelling of 121200312232 in words is "one hundred twenty-one billion, two hundred million, three hundred twelve thousand, two hundred thirty-two".