1011200020012 has 48 divisors (see below), whose sum is σ = 2178276880192. Its totient is φ = 399978673920.

The previous prime is 1011200019979. The next prime is 1011200020081. The reversal of 1011200020012 is 2100200021101.

It is a super-3 number, since 3×1011200020012³ (a number of 37 digits) contains 333 as substring.

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, 2432962 + ... + 2818102.

Almost surely, 2^{1011200020012} is an apocalyptic number.

It is an amenable number.

1011200020012 is an abundant number, since it is smaller than the sum of its proper divisors (1167076860180).

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

1011200020012 is a wasteful number, since it uses less digits than its factorization.

1011200020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392378 (or 392376 counting only the distinct ones).

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

Adding to 1011200020012 its reverse (2100200021101), we get a palindrome (3111400041113).

The spelling of 1011200020012 in words is "one trillion, eleven billion, two hundred million, twenty thousand, twelve".