121112320232 has 16 divisors (see below), whose sum is σ = 227092459140. Its totient is φ = 60554331136.

The previous prime is 121112320181. The next prime is 121112320247. The reversal of 121112320232 is 232023211121.

It can be written as a sum of positive squares in 2 ways, for example, as 100810060036 + 20302260196 = 317506^2 + 142486^2 .

It is a super-2 number, since 2×121112320232² (a number of 23 digits) contains 22 as substring.

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, 76808 + ... + 498120.

Almost surely, 2^121112320232 is an apocalyptic number.

It is an amenable number.

121112320232 is a deficient number, since it is larger than the sum of its proper divisors (105980138908).

121112320232 is a wasteful number, since it uses less digits than its factorization.

121112320232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457252 (or 457248 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121112320232 its reverse (232023211121), we get a palindrome (353135531353).

The spelling of 121112320232 in words is "one hundred twenty-one billion, one hundred twelve million, three hundred twenty thousand, two hundred thirty-two".