131201420221212 has 48 divisors (see below), whose sum is σ = 333968924620800. Its totient is φ = 39757806943360.

The previous prime is 131201420221169. The next prime is 131201420221229. The reversal of 131201420221212 is 212122024102131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25112464 + ... + 29883752.

It is an arithmetic number, because the mean of its divisors is an integer number (6957685929600).

Almost surely, 2^{131201420221212} is an apocalyptic number.

131201420221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131201420221212 is an abundant number, since it is smaller than the sum of its proper divisors (202767504399588).

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

131201420221212 is a wasteful number, since it uses less digits than its factorization.

131201420221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979626 (or 4979624 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 131201420221212 its reverse (212122024102131), we get a palindrome (343323444323343).

The spelling of 131201420221212 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty million, two hundred twenty-one thousand, two hundred twelve".