1022452112000 has 128 divisors (see below), whose sum is σ = 2773169455680. Its totient is φ = 371800704000.

The previous prime is 1022452111903. The next prime is 1022452112021. The reversal of 1022452112000 is 2112542201.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2728694 + ... + 3080693.

Almost surely, 2^{1022452112000} is an apocalyptic number.

1022452112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022452112000 is an abundant number, since it is smaller than the sum of its proper divisors (1750717343680).

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

1022452112000 is an equidigital number, since it uses as much as digits as its factorization.

1022452112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809427 (or 5809405 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 1022452112000 its reverse (2112542201), we get a palindrome (1024564654201).

The spelling of 1022452112000 in words is "one trillion, twenty-two billion, four hundred fifty-two million, one hundred twelve thousand".