131223332212 has 36 divisors (see below), whose sum is σ = 267710358720. Its totient is φ = 56117066544.

The previous prime is 131223332209. The next prime is 131223332221. The reversal of 131223332212 is 212233322131.

It is a congruent number.

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, 632262 + ... + 813757.

Almost surely, 2^131223332212 is an apocalyptic number.

It is an amenable number.

131223332212 is an abundant number, since it is smaller than the sum of its proper divisors (136487026508).

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

131223332212 is a wasteful number, since it uses less digits than its factorization.

131223332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446500 (or 1446491 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 131223332212 its reverse (212233322131), we get a palindrome (343456654343).

It can be divided in two parts, 1 and 31223332212, that added together give a palindrome (31223332213).

The spelling of 131223332212 in words is "one hundred thirty-one billion, two hundred twenty-three million, three hundred thirty-two thousand, two hundred twelve".