1000012202001 has 8 divisors (see below), whose sum is σ = 1481499558560. Its totient is φ = 666674801316.

The previous prime is 1000012201921. The next prime is 1000012202017. The reversal of 1000012202001 is 1002022100001.

It is not a de Polignac number, because 1000012202001 - 2¹³ = 1000012193809 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 (1000012202051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18518744455 + ... + 18518744508.

It is an arithmetic number, because the mean of its divisors is an integer number (185187444820).

Almost surely, 2^{1000012202001} is an apocalyptic number.

It is an amenable number.

1000012202001 is a deficient number, since it is larger than the sum of its proper divisors (481487356559).

1000012202001 is an equidigital number, since it uses as much as digits as its factorization.

1000012202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37037488972 (or 37037488966 counting only the distinct ones).

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

Adding to 1000012202001 its reverse (1002022100001), we get a palindrome (2002034302002).

The spelling of 1000012202001 in words is "one trillion, twelve million, two hundred two thousand, one".