121112012232 has 48 divisors (see below), whose sum is σ = 335639887440. Its totient is φ = 39431816928.

The previous prime is 121112012213. The next prime is 121112012243. The reversal of 121112012232 is 232210211121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19556338 + ... + 19562529.

It is an arithmetic number, because the mean of its divisors is an integer number (6992497655).

Almost surely, 2^121112012232 is an apocalyptic number.

121112012232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121112012232 is an abundant number, since it is smaller than the sum of its proper divisors (214527875208).

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

121112012232 is a wasteful number, since it uses less digits than its factorization.

121112012232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39118922 (or 39118915 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121112012232 its reverse (232210211121), we get a palindrome (353322223353).

The spelling of 121112012232 in words is "one hundred twenty-one billion, one hundred twelve million, twelve thousand, two hundred thirty-two".