131210022012 has 48 divisors (see below), whose sum is σ = 313979258880. Its totient is φ = 42626957632.

The previous prime is 131210022011. The next prime is 131210022017. The reversal of 131210022012 is 210220012131.

It is a junction number, because it is equal to n+sod(n) for n = 131210021982 and 131210022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131210022011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 351903 + ... + 621494.

It is an arithmetic number, because the mean of its divisors is an integer number (6541234560).

Almost surely, 2^131210022012 is an apocalyptic number.

131210022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131210022012 is an abundant number, since it is smaller than the sum of its proper divisors (182769236868).

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

131210022012 is a wasteful number, since it uses less digits than its factorization.

131210022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973690 (or 973688 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 131210022012 its reverse (210220012131), we get a palindrome (341430034143).

The spelling of 131210022012 in words is "one hundred thirty-one billion, two hundred ten million, twenty-two thousand, twelve".