10012012099 has 4 divisors (see below), whose sum is σ = 10012268320. Its totient is φ = 10011755880.

The previous prime is 10012012093. The next prime is 10012012111. The reversal of 10012012099 is 99021021001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10012012099 - 2³ = 10012012091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10012012091) 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, 55947 + ... + 152164.

It is an arithmetic number, because the mean of its divisors is an integer number (2503067080).

Almost surely, 2^10012012099 is an apocalyptic number.

10012012099 is a deficient number, since it is larger than the sum of its proper divisors (256221).

10012012099 is an equidigital number, since it uses as much as digits as its factorization.

10012012099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256220.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 10012012099 in words is "ten billion, twelve million, twelve thousand, ninety-nine".