1011112020012 has 24 divisors (see below), whose sum is σ = 2363148153856. Its totient is φ = 336482086608.

The previous prime is 1011112019969. The next prime is 1011112020031. The reversal of 1011112020012 is 2100202111101.

1011112020012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1011112020012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69399088 + ... + 69413655.

Almost surely, 2^{1011112020012} is an apocalyptic number.

1011112020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011112020012 is an abundant number, since it is smaller than the sum of its proper divisors (1352036133844).

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

1011112020012 is a wasteful number, since it uses less digits than its factorization.

1011112020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138813357 (or 138813355 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011112020012 its reverse (2100202111101), we get a palindrome (3111314131113).

The spelling of 1011112020012 in words is "one trillion, eleven billion, one hundred twelve million, twenty thousand, twelve".