20012232199 has 2 divisors, whose sum is σ = 20012232200. Its totient is φ = 20012232198.

The previous prime is 20012232157. The next prime is 20012232263. The reversal of 20012232199 is 99123221002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20012232199 - 2¹³ = 20012224007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20012232199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20012232299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006116099 + 10006116100.

It is an arithmetic number, because the mean of its divisors is an integer number (10006116100).

Almost surely, 2^20012232199 is an apocalyptic number.

20012232199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012232199 is an equidigital number, since it uses as much as digits as its factorization.

20012232199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 20012232199 in words is "twenty billion, twelve million, two hundred thirty-two thousand, one hundred ninety-nine".