1031342112012 has 24 divisors (see below), whose sum is σ = 2422401786112. Its totient is φ = 341504010000.

The previous prime is 1031342111983. The next prime is 1031342112061. The reversal of 1031342112012 is 2102112431301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031342112012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284584864 + ... + 284588487.

Almost surely, 2^{1031342112012} is an apocalyptic number.

1031342112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031342112012 is an abundant number, since it is smaller than the sum of its proper divisors (1391059674100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031342112012 is a wasteful number, since it uses less digits than its factorization.

1031342112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569173509 (or 569173507 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1031342112012 its reverse (2102112431301), we get a palindrome (3133454543313).

The spelling of 1031342112012 in words is "one trillion, thirty-one billion, three hundred forty-two million, one hundred twelve thousand, twelve".