1012002011200 has 84 divisors (see below), whose sum is σ = 2490734924032. Its totient is φ = 404706931200.

The previous prime is 1012002011191. The next prime is 1012002011213. The reversal of 1012002011200 is 21102002101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7044085 + ... + 7186315.

Almost surely, 2^{1012002011200} is an apocalyptic number.

1012002011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012002011200 is an abundant number, since it is smaller than the sum of its proper divisors (1478732912832).

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

1012002011200 is a wasteful number, since it uses less digits than its factorization.

1012002011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146700 (or 146685 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1012002011200 its reverse (21102002101), we get a palindrome (1033104013301).

Subtracting from 1012002011200 its reverse (21102002101), we obtain a palindrome (990900009099).

The spelling of 1012002011200 in words is "one trillion, twelve billion, two million, eleven thousand, two hundred".