121010031232 has 32 divisors (see below), whose sum is σ = 241141883220. Its totient is φ = 60488146944.

The previous prime is 121010031229. The next prime is 121010031251. The reversal of 121010031232 is 232130010121.

It can be written as a sum of positive squares in 2 ways, for example, as 85343442496 + 35666588736 = 292136^2 + 188856^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335568 + ... + 595504.

Almost surely, 2^121010031232 is an apocalyptic number.

It is an amenable number.

121010031232 is a deficient number, since it is larger than the sum of its proper divisors (120131851988).

121010031232 is an equidigital number, since it uses as much as digits as its factorization.

121010031232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263588 (or 263576 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121010031232 its reverse (232130010121), we get a palindrome (353140041353).

The spelling of 121010031232 in words is "one hundred twenty-one billion, ten million, thirty-one thousand, two hundred thirty-two".