131213123220200 has 192 divisors, whose sum is σ = 359918967045120. Its totient is φ = 43533718272000.

The previous prime is 131213123220197. The next prime is 131213123220251. The reversal of 131213123220200 is 2022321312131.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 882725084 + ... + 882873716.

It is an arithmetic number, because the mean of its divisors is an integer number (1874577953360).

Almost surely, 2^{131213123220200} is an apocalyptic number.

131213123220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131213123220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179959483522560).

131213123220200 is an abundant number, since it is smaller than the sum of its proper divisors (228705843824920).

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

131213123220200 is a wasteful number, since it uses less digits than its factorization.

131213123220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169028 (or 169019 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131213123220200 its reverse (2022321312131), we get a palindrome (133235444532331).

The spelling of 131213123220200 in words is "one hundred thirty-one trillion, two hundred thirteen billion, one hundred twenty-three million, two hundred twenty thousand, two hundred".