12020510605 has 16 divisors (see below), whose sum is σ = 14880950784. Its totient is φ = 9314516160.

The previous prime is 12020510587. The next prime is 12020510629. The reversal of 12020510605 is 50601502021.

It is not a de Polignac number, because 12020510605 - 2⁵ = 12020510573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104431 + ... + 186940.

It is an arithmetic number, because the mean of its divisors is an integer number (930059424).

Almost surely, 2^12020510605 is an apocalyptic number.

It is an amenable number.

12020510605 is a deficient number, since it is larger than the sum of its proper divisors (2860440179).

12020510605 is a wasteful number, since it uses less digits than its factorization.

12020510605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291636.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 12020510605 in words is "twelve billion, twenty million, five hundred ten thousand, six hundred five".