12100890907 has 4 divisors (see below), whose sum is σ = 13829589616. Its totient is φ = 10372192200.

The previous prime is 12100890899. The next prime is 12100890911. The reversal of 12100890907 is 70909800121.

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 12100890907 - 2³ = 12100890899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100890947) 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, 864349344 + ... + 864349357.

It is an arithmetic number, because the mean of its divisors is an integer number (3457397404).

Almost surely, 2^12100890907 is an apocalyptic number.

12100890907 is a deficient number, since it is larger than the sum of its proper divisors (1728698709).

12100890907 is an equidigital number, since it uses as much as digits as its factorization.

12100890907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728698708.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 12100890907 in words is "twelve billion, one hundred million, eight hundred ninety thousand, nine hundred seven".