131213222200 has 48 divisors (see below), whose sum is σ = 309249827280. Its totient is φ = 51766306560.

The previous prime is 131213222183. The next prime is 131213222249. The reversal of 131213222200 is 2222312131.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4479004 + ... + 4508203.

It is an arithmetic number, because the mean of its divisors is an integer number (6442704735).

Almost surely, 2^131213222200 is an apocalyptic number.

131213222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131213222200 is an abundant number, since it is smaller than the sum of its proper divisors (178036605080).

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

131213222200 is a wasteful number, since it uses less digits than its factorization.

131213222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8987296 (or 8987287 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 131213222200 its reverse (2222312131), we get a palindrome (133435534331).

The spelling of 131213222200 in words is "one hundred thirty-one billion, two hundred thirteen million, two hundred twenty-two thousand, two hundred".