212204343211131 has 16 divisors (see below), whose sum is σ = 283962753723168. Its totient is φ = 140958630624000.

The previous prime is 212204343211109. The next prime is 212204343211139. The reversal of 212204343211131 is 131112343402212.

It is not a de Polignac number, because 212204343211131 - 2⁵ = 212204343211099 is a prime.

It is a super-2 number, since 2×212204343211131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212204343211139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109438860 + ... + 111361001.

It is an arithmetic number, because the mean of its divisors is an integer number (17747672107698).

Almost surely, 2^{212204343211131} is an apocalyptic number.

212204343211131 is a deficient number, since it is larger than the sum of its proper divisors (71758410512037).

212204343211131 is a wasteful number, since it uses less digits than its factorization.

212204343211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220801022.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 212204343211131 its reverse (131112343402212), we get a palindrome (343316686613343).

The spelling of 212204343211131 in words is "two hundred twelve trillion, two hundred four billion, three hundred forty-three million, two hundred eleven thousand, one hundred thirty-one".