131212210200 has 96 divisors (see below), whose sum is σ = 428166196800. Its totient is φ = 33148344960.

The previous prime is 131212210163. The next prime is 131212210223. The reversal of 131212210200 is 2012212131.

131212210200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 131212210200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5743522 + ... + 5766321.

It is an arithmetic number, because the mean of its divisors is an integer number (4460064550).

Almost surely, 2^131212210200 is an apocalyptic number.

131212210200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131212210200 is an abundant number, since it is smaller than the sum of its proper divisors (296953986600).

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

131212210200 is a wasteful number, since it uses less digits than its factorization.

131212210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11509881 (or 11509872 counting only the distinct ones).

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

Adding to 131212210200 its reverse (2012212131), we get a palindrome (133224422331).

The spelling of 131212210200 in words is "one hundred thirty-one billion, two hundred twelve million, two hundred ten thousand, two hundred".