20112310123202 has 16 divisors (see below), whose sum is σ = 32918497343424. Its totient is φ = 9139891254000.

The previous prime is 20112310123187. The next prime is 20112310123247. The reversal of 20112310123202 is 20232101321102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103295174 + ... + 103489697.

It is an arithmetic number, because the mean of its divisors is an integer number (2057406083964).

Almost surely, 2^{20112310123202} is an apocalyptic number.

20112310123202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20112310123202 is a deficient number, since it is larger than the sum of its proper divisors (12806187220222).

20112310123202 is a wasteful number, since it uses less digits than its factorization.

20112310123202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206789305.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20112310123202 its reverse (20232101321102), we get a palindrome (40344411444304).

The spelling of 20112310123202 in words is "twenty trillion, one hundred twelve billion, three hundred ten million, one hundred twenty-three thousand, two hundred two".