1012112200031 has 4 divisors (see below), whose sum is σ = 1016570844312. Its totient is φ = 1007653555752.

The previous prime is 1012112199997. The next prime is 1012112200051. The reversal of 1012112200031 is 1300022112101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012112200031 - 2¹⁸ = 1012111937887 is a prime.

It is a super-2 number, since 2×1012112200031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012112199979 and 1012112200015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012112200051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229321800 + ... + 2229322253.

It is an arithmetic number, because the mean of its divisors is an integer number (254142711078).

Almost surely, 2^{1012112200031} is an apocalyptic number.

1012112200031 is a deficient number, since it is larger than the sum of its proper divisors (4458644281).

1012112200031 is an equidigital number, since it uses as much as digits as its factorization.

1012112200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458644280.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1012112200031 its reverse (1300022112101), we get a palindrome (2312134312132).

The spelling of 1012112200031 in words is "one trillion, twelve billion, one hundred twelve million, two hundred thousand, thirty-one".