1012002021002 has 16 divisors (see below), whose sum is σ = 1777174281792. Its totient is φ = 423136733280.

The previous prime is 1012002020957. The next prime is 1012002021061. The reversal of 1012002021002 is 2001202002101.

It is a happy 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, 881534288 + ... + 881535435.

It is an arithmetic number, because the mean of its divisors is an integer number (111073392612).

Almost surely, 2^{1012002021002} is an apocalyptic number.

1012002021002 is a deficient number, since it is larger than the sum of its proper divisors (765172260790).

1012002021002 is a wasteful number, since it uses less digits than its factorization.

1012002021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763069773.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1012002021002 its reverse (2001202002101), we get a palindrome (3013204023103).

The spelling of 1012002021002 in words is "one trillion, twelve billion, two million, twenty-one thousand, two".