1022112013200 has 120 divisors (see below), whose sum is σ = 3295020646848. Its totient is φ = 270827082240.

The previous prime is 1022112013199. The next prime is 1022112013211. The reversal of 1022112013200 is 23102112201.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1022112013200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2524212 + ... + 2901011.

Almost surely, 2^{1022112013200} is an apocalyptic number.

1022112013200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022112013200 is an abundant number, since it is smaller than the sum of its proper divisors (2272908633648).

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

1022112013200 is a wasteful number, since it uses less digits than its factorization.

1022112013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425401 (or 5425390 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1022112013200 its reverse (23102112201), we get a palindrome (1045214125401).

Subtracting from 1022112013200 its reverse (23102112201), we obtain a palindrome (999009900999).

The spelling of 1022112013200 in words is "one trillion, twenty-two billion, one hundred twelve million, thirteen thousand, two hundred".