212000022131 has 2 divisors, whose sum is σ = 212000022132. Its totient is φ = 212000022130.

The previous prime is 212000022107. The next prime is 212000022133. The reversal of 212000022131 is 131220000212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212000022131 - 2²⁶ = 211932913267 is a prime.

It is a super-2 number, since 2×212000022131² (a number of 23 digits) contains 22 as substring.

Together with 212000022133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212000022133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000011065 + 106000011066.

It is an arithmetic number, because the mean of its divisors is an integer number (106000011066).

Almost surely, 2^212000022131 is an apocalyptic number.

212000022131 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000022131 is an equidigital number, since it uses as much as digits as its factorization.

212000022131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212000022131 its reverse (131220000212), we get a palindrome (343220022343).

The spelling of 212000022131 in words is "two hundred twelve billion, twenty-two thousand, one hundred thirty-one".