20012212199 has 8 divisors (see below), whose sum is σ = 23073499680. Its totient is φ = 17001524736.

The previous prime is 20012212151. The next prime is 20012212261. The reversal of 20012212199 is 99121221002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20012212199 - 2²⁴ = 19995434983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012212399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12649154 + ... + 12650735.

It is an arithmetic number, because the mean of its divisors is an integer number (2884187460).

Almost surely, 2^20012212199 is an apocalyptic number.

20012212199 is a deficient number, since it is larger than the sum of its proper divisors (3061287481).

20012212199 is a wasteful number, since it uses less digits than its factorization.

20012212199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25300009.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 20012212199 in words is "twenty billion, twelve million, two hundred twelve thousand, one hundred ninety-nine".