1231013022000 has 80 divisors (see below), whose sum is σ = 3968786002272. Its totient is φ = 328270137600.

The previous prime is 1231013021963. The next prime is 1231013022047. The reversal of 1231013022000 is 2203101321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102578419 + ... + 102590418.

Almost surely, 2^{1231013022000} is an apocalyptic number.

1231013022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231013022000 is an abundant number, since it is smaller than the sum of its proper divisors (2737772980272).

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

1231013022000 is a wasteful number, since it uses less digits than its factorization.

1231013022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205168863 (or 205168847 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1231013022000 its reverse (2203101321), we get a palindrome (1233216123321).

The spelling of 1231013022000 in words is "one trillion, two hundred thirty-one billion, thirteen million, twenty-two thousand".