131332020012 has 36 divisors (see below), whose sum is σ = 332543765736. Its totient is φ = 43702754880.

The previous prime is 131332020011. The next prime is 131332020013. The reversal of 131332020012 is 210020233131.

131332020012 is a `hidden beast` number, since 1 + 313 + 320 + 20 + 0 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (131332020011) and next prime (131332020013).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (131332020011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3086289 + ... + 3128552.

It is an arithmetic number, because the mean of its divisors is an integer number (9237326826).

Almost surely, 2^131332020012 is an apocalyptic number.

131332020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131332020012 is an abundant number, since it is smaller than the sum of its proper divisors (201211745724).

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

131332020012 is a wasteful number, since it uses less digits than its factorization.

131332020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215438 (or 6215433 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 131332020012 its reverse (210020233131), we get a palindrome (341352253143).

The spelling of 131332020012 in words is "one hundred thirty-one billion, three hundred thirty-two million, twenty thousand, twelve".