131232122412 has 24 divisors (see below), whose sum is σ = 306847564800. Its totient is φ = 43652715216.

The previous prime is 131232122363. The next prime is 131232122423. The reversal of 131232122412 is 214221232131.

It is a nude number because it is divisible by every one of its digits.

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 7 ways as a sum of consecutive naturals, for example, 11409712 + ... + 11421207.

It is an arithmetic number, because the mean of its divisors is an integer number (12785315200).

Almost surely, 2^131232122412 is an apocalyptic number.

131232122412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131232122412 is an abundant number, since it is smaller than the sum of its proper divisors (175615442388).

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

131232122412 is a wasteful number, since it uses less digits than its factorization.

131232122412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22831405 (or 22831403 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 131232122412 its reverse (214221232131), we get a palindrome (345453354543).

The spelling of 131232122412 in words is "one hundred thirty-one billion, two hundred thirty-two million, one hundred twenty-two thousand, four hundred twelve".