1012001020000 has 60 divisors (see below), whose sum is σ = 2489674358556. Its totient is φ = 404800400000.

The previous prime is 1012001019923. The next prime is 1012001020021. The reversal of 1012001020000 is 201002101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25280026 + ... + 25320025.

Almost surely, 2^{1012001020000} is an apocalyptic number.

1012001020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012001020000 is an abundant number, since it is smaller than the sum of its proper divisors (1477673338556).

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

1012001020000 is an frugal number, since it uses more digits than its factorization.

1012001020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50600081 (or 50600058 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1012001020000 its reverse (201002101), we get a palindrome (1012202022101).

The spelling of 1012001020000 in words is "one trillion, twelve billion, one million, twenty thousand".