20121323112202 has 16 divisors (see below), whose sum is σ = 32988805288992. Its totient is φ = 9148156086960.

The previous prime is 20121323112169. The next prime is 20121323112257. The reversal of 20121323112202 is 20221132312102.

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, 5775349324 + ... + 5775352807.

It is an arithmetic number, because the mean of its divisors is an integer number (2061800330562).

Almost surely, 2^{20121323112202} is an apocalyptic number.

20121323112202 is a deficient number, since it is larger than the sum of its proper divisors (12867482176790).

20121323112202 is a wasteful number, since it uses less digits than its factorization.

20121323112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11550702213.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20121323112202 its reverse (20221132312102), we get a palindrome (40342455424304).

The spelling of 20121323112202 in words is "twenty trillion, one hundred twenty-one billion, three hundred twenty-three million, one hundred twelve thousand, two hundred two".