131202012 has 24 divisors (see below), whose sum is σ = 306948096. Its totient is φ = 43618288.

The previous prime is 131202007. The next prime is 131202041. The reversal of 131202012 is 210202131.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9678 + ... + 18869.

It is an arithmetic number, because the mean of its divisors is an integer number (12789504).

Almost surely, 2^131202012 is an apocalyptic number.

131202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131202012 is an abundant number, since it is smaller than the sum of its proper divisors (175746084).

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

131202012 is a wasteful number, since it uses less digits than its factorization.

131202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28937 (or 28935 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 131202012 is about 11454.3446778941. The cubic root of 131202012 is about 508.1362345675.

Adding to 131202012 its reverse (210202131), we get a palindrome (341404143).

It can be divided in two parts, 13 and 1202012, that added together give a triangular number (1202025 = T₁₅₅₀).

The spelling of 131202012 in words is "one hundred thirty-one million, two hundred two thousand, twelve".