131202211211205 has 32 divisors (see below), whose sum is σ = 210172915133568. Its totient is φ = 69891409689600.

The previous prime is 131202211211143. The next prime is 131202211211209. The reversal of 131202211211205 is 502112112202131.

It is not a de Polignac number, because 131202211211205 - 2¹⁶ = 131202211145669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131202211211209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91939897 + ... + 93356033.

It is an arithmetic number, because the mean of its divisors is an integer number (6567903597924).

Almost surely, 2^{131202211211205} is an apocalyptic number.

131202211211205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131202211211205 is a deficient number, since it is larger than the sum of its proper divisors (78970703922363).

131202211211205 is a wasteful number, since it uses less digits than its factorization.

131202211211205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423477.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 131202211211205 its reverse (502112112202131), we get a palindrome (633314323413336).

The spelling of 131202211211205 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred eleven million, two hundred eleven thousand, two hundred five".