1012002020112 has 40 divisors (see below), whose sum is σ = 2629993294656. Its totient is φ = 335314039936.

The previous prime is 1012002020077. The next prime is 1012002020137. The reversal of 1012002020112 is 2110202002101.

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

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, 63115863 + ... + 63131894.

Almost surely, 2^{1012002020112} is an apocalyptic number.

1012002020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012002020112 is an abundant number, since it is smaller than the sum of its proper divisors (1617991274544).

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

1012002020112 is a wasteful number, since it uses less digits than its factorization.

1012002020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126247935 (or 126247929 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012002020112 its reverse (2110202002101), we get a palindrome (3122204022213).

The spelling of 1012002020112 in words is "one trillion, twelve billion, two million, twenty thousand, one hundred twelve".