131012212232 has 16 divisors (see below), whose sum is σ = 267979525200. Its totient is φ = 59551005520.

The previous prime is 131012212231. The next prime is 131012212241. The reversal of 131012212232 is 232212210131.

It is a super-2 number, since 2×131012212232² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131012212231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744387482 + ... + 744387657.

It is an arithmetic number, because the mean of its divisors is an integer number (16748720325).

Almost surely, 2^131012212232 is an apocalyptic number.

It is an amenable number.

131012212232 is an abundant number, since it is smaller than the sum of its proper divisors (136967312968).

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

131012212232 is a wasteful number, since it uses less digits than its factorization.

131012212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488775156 (or 1488775152 counting only the distinct ones).

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

Adding to 131012212232 its reverse (232212210131), we get a palindrome (363224422363).

The spelling of 131012212232 in words is "one hundred thirty-one billion, twelve million, two hundred twelve thousand, two hundred thirty-two".