10001000012 has 6 divisors (see below), whose sum is σ = 17501750028. Its totient is φ = 5000500004.

The previous prime is 10001000011. The next prime is 10001000017. The reversal of 10001000012 is 21000010001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10001000011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250124998 + ... + 1250125005.

It is an arithmetic number, because the mean of its divisors is an integer number (2916958338).

Almost surely, 2^10001000012 is an apocalyptic number.

It is an amenable number.

10001000012 is a deficient number, since it is larger than the sum of its proper divisors (7500750016).

10001000012 is a wasteful number, since it uses less digits than its factorization.

10001000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500250007 (or 2500250005 counting only the distinct ones).

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

Adding to 10001000012 its reverse (21000010001), we get a palindrome (31001010013).

The spelling of 10001000012 in words is "ten billion, one million, twelve", and thus it is an aban number and an uban number.