21302012095 has 32 divisors (see below), whose sum is σ = 33312117888. Its totient is φ = 12690321408.

The previous prime is 21302012063. The next prime is 21302012131. The reversal of 21302012095 is 59021020312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21302012095 - 2⁵ = 21302012063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1369254 + ... + 1384723.

It is an arithmetic number, because the mean of its divisors is an integer number (1041003684).

Almost surely, 2^21302012095 is an apocalyptic number.

21302012095 is a deficient number, since it is larger than the sum of its proper divisors (12010105793).

21302012095 is a wasteful number, since it uses less digits than its factorization.

21302012095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754019.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 21302012095 in words is "twenty-one billion, three hundred two million, twelve thousand, ninety-five".