1012210012001 has 4 divisors (see below), whose sum is σ = 1044861947904. Its totient is φ = 979558076100.

The previous prime is 1012210011997. The next prime is 1012210012039. The reversal of 1012210012001 is 1002100122101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012210012001 - 2² = 1012210011997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012210012081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16325967905 + ... + 16325967966.

It is an arithmetic number, because the mean of its divisors is an integer number (261215486976).

Almost surely, 2^{1012210012001} is an apocalyptic number.

It is an amenable number.

1012210012001 is a deficient number, since it is larger than the sum of its proper divisors (32651935903).

1012210012001 is an equidigital number, since it uses as much as digits as its factorization.

1012210012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32651935902.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1012210012001 its reverse (1002100122101), we get a palindrome (2014310134102).

The spelling of 1012210012001 in words is "one trillion, twelve billion, two hundred ten million, twelve thousand, one".