1012122100831 has 2 divisors, whose sum is σ = 1012122100832. Its totient is φ = 1012122100830.

The previous prime is 1012122100819. The next prime is 1012122100901. The reversal of 1012122100831 is 1380012212101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012122100831 - 2²⁷ = 1011987883103 is a prime.

It is a super-2 number, since 2×1012122100831² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012122100811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506061050415 + 506061050416.

It is an arithmetic number, because the mean of its divisors is an integer number (506061050416).

Almost surely, 2^{1012122100831} is an apocalyptic number.

1012122100831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012122100831 is an equidigital number, since it uses as much as digits as its factorization.

1012122100831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 1012122100831 its reverse (1380012212101), we get a palindrome (2392134312932).

The spelling of 1012122100831 in words is "one trillion, twelve billion, one hundred twenty-two million, one hundred thousand, eight hundred thirty-one".