131112032212 has 24 divisors (see below), whose sum is σ = 262232210240. Its totient is φ = 56189125440.

The previous prime is 131112032209. The next prime is 131112032213. The reversal of 131112032212 is 212230211131.

It is a super-2 number, since 2×131112032212² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131112032212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131112032213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297864 + ... + 1395232.

Almost surely, 2^131112032212 is an apocalyptic number.

It is an amenable number.

131112032212 is an abundant number, since it is smaller than the sum of its proper divisors (131120178028).

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

131112032212 is a wasteful number, since it uses less digits than its factorization.

131112032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145471 (or 145469 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131112032212 its reverse (212230211131), we get a palindrome (343342243343).

The spelling of 131112032212 in words is "one hundred thirty-one billion, one hundred twelve million, thirty-two thousand, two hundred twelve".