1000001000012 has 24 divisors (see below), whose sum is σ = 2117649177504. Its totient is φ = 403361747712.

The previous prime is 1000000999999. The next prime is 1000001000021. The reversal of 1000001000012 is 2100001000001.

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, 1050420743 + ... + 1050421694.

It is an arithmetic number, because the mean of its divisors is an integer number (88235382396).

Almost surely, 2^{1000001000012} is an apocalyptic number.

It is an amenable number.

1000001000012 is an abundant number, since it is smaller than the sum of its proper divisors (1117648177492).

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

1000001000012 is a wasteful number, since it uses less digits than its factorization.

1000001000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100842465 (or 2100842463 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 1000001000012 its reverse (2100001000001), we get a palindrome (3100002000013).

The spelling of 1000001000012 in words is "one trillion, one million, twelve", and thus it is an aban number and an uban number.