201001021012002 has 16 divisors (see below), whose sum is σ = 411806969878752. Its totient is φ = 65366185694880.

The previous prime is 201001021011997. The next prime is 201001021012067. The reversal of 201001021012002 is 200210120100102.

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, 408538660348 + ... + 408538660839.

It is an arithmetic number, because the mean of its divisors is an integer number (25737935617422).

Almost surely, 2^{201001021012002} is an apocalyptic number.

201001021012002 is an abundant number, since it is smaller than the sum of its proper divisors (210805948866750).

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

201001021012002 is a wasteful number, since it uses less digits than its factorization.

201001021012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817077321233.

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

Adding to 201001021012002 its reverse (200210120100102), we get a palindrome (401211141112104).

The spelling of 201001021012002 in words is "two hundred one trillion, one billion, twenty-one million, twelve thousand, two".