1012021001012 has 24 divisors (see below), whose sum is σ = 2044908419904. Its totient is φ = 429251910912.

The previous prime is 1012021000999. The next prime is 1012021001081. The reversal of 1012021001012 is 2101001202101.

It is a junction number, because it is equal to n+sod(n) for n = 1012021000984 and 1012021001002.

It is a congruent number.

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, 186304538 + ... + 186309969.

It is an arithmetic number, because the mean of its divisors is an integer number (85204517496).

Almost surely, 2^{1012021001012} is an apocalyptic number.

It is an amenable number.

1012021001012 is an abundant number, since it is smaller than the sum of its proper divisors (1032887418892).

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

1012021001012 is a wasteful number, since it uses less digits than its factorization.

1012021001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372614615 (or 372614613 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1012021001012 its reverse (2101001202101), we get a palindrome (3113022203113).

The spelling of 1012021001012 in words is "one trillion, twelve billion, twenty-one million, one thousand, twelve".