20112232199999 has 4 divisors (see below), whose sum is σ = 20113474709064. Its totient is φ = 20110989690936.

The previous prime is 20112232199971. The next prime is 20112232200041. The reversal of 20112232199999 is 99999123221102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112232199999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112232199909) 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, 621230252 + ... + 621262625.

It is an arithmetic number, because the mean of its divisors is an integer number (5028368677266).

Almost surely, 2^{20112232199999} is an apocalyptic number.

20112232199999 is a deficient number, since it is larger than the sum of its proper divisors (1242509065).

20112232199999 is a wasteful number, since it uses less digits than its factorization.

20112232199999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242509064.

The product of its (nonzero) digits is 2834352, while the sum is 59.

The spelling of 20112232199999 in words is "twenty trillion, one hundred twelve billion, two hundred thirty-two million, one hundred ninety-nine thousand, nine hundred ninety-nine".