1012000202001 has 16 divisors (see below), whose sum is σ = 1499275328320. Its totient is φ = 674659704960.

The previous prime is 1012000201967. The next prime is 1012000202021. The reversal of 1012000202001 is 1002020002101.

It is not a de Polignac number, because 1012000202001 - 2¹⁰ = 1012000200977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012000202021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4203786 + ... + 4437996.

It is an arithmetic number, because the mean of its divisors is an integer number (93704708020).

Almost surely, 2^{1012000202001} is an apocalyptic number.

It is an amenable number.

1012000202001 is a deficient number, since it is larger than the sum of its proper divisors (487275126319).

1012000202001 is a wasteful number, since it uses less digits than its factorization.

1012000202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394253 (or 394247 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1012000202001 its reverse (1002020002101), we get a palindrome (2014020204102).

The spelling of 1012000202001 in words is "one trillion, twelve billion, two hundred two thousand, one".