131212452210 has 64 divisors (see below), whose sum is σ = 360022406400. Its totient is φ = 29980968192.

The previous prime is 131212452181. The next prime is 131212452223. The reversal of 131212452210 is 12254212131.

It is a happy number.

It is a super-2 number, since 2×131212452210² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 503496 + ... + 718284.

It is an arithmetic number, because the mean of its divisors is an integer number (5625350100).

Almost surely, 2^131212452210 is an apocalyptic number.

131212452210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131212452210 is an abundant number, since it is smaller than the sum of its proper divisors (228809954190).

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

131212452210 is a wasteful number, since it uses less digits than its factorization.

131212452210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217715.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 131212452210 its reverse (12254212131), we get a palindrome (143466664341).

The spelling of 131212452210 in words is "one hundred thirty-one billion, two hundred twelve million, four hundred fifty-two thousand, two hundred ten".