1031200043312 has 20 divisors (see below), whose sum is σ = 2026090228176. Its totient is φ = 508338048960.

The previous prime is 1031200043311. The next prime is 1031200043333. The reversal of 1031200043312 is 2133400021301.

It is not an unprimeable number, because it can be changed into a prime (1031200043311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453872123 + ... + 453874394.

Almost surely, 2^{1031200043312} is an apocalyptic number.

It is an amenable number.

1031200043312 is a deficient number, since it is larger than the sum of its proper divisors (994890184864).

1031200043312 is an equidigital number, since it uses as much as digits as its factorization.

1031200043312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907746596 (or 907746590 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1031200043312 its reverse (2133400021301), we get a palindrome (3164600064613).

The spelling of 1031200043312 in words is "one trillion, thirty-one billion, two hundred million, forty-three thousand, three hundred twelve".