122231232012 has 48 divisors (see below), whose sum is σ = 286097947520. Its totient is φ = 40616491392.

The previous prime is 122231231987. The next prime is 122231232031. The reversal of 122231232012 is 210232132221.

It is a self number, because there is not a number n which added to its sum of digits gives 122231232012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7977663 + ... + 7992969.

Almost surely, 2^122231232012 is an apocalyptic number.

122231232012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122231232012 is an abundant number, since it is smaller than the sum of its proper divisors (163866715508).

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

122231232012 is a wasteful number, since it uses less digits than its factorization.

122231232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17350 (or 17348 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122231232012 its reverse (210232132221), we get a palindrome (332463364233).

The spelling of 122231232012 in words is "one hundred twenty-two billion, two hundred thirty-one million, two hundred thirty-two thousand, twelve".