20212320322122 has 16 divisors (see below), whose sum is σ = 40424698019520. Its totient is φ = 6737430544832.

The previous prime is 20212320322109. The next prime is 20212320322151. The reversal of 20212320322122 is 22122302321202.

It is a junction number, because it is equal to n+sod(n) for n = 20212320322092 and 20212320322101.

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, 3191779 + ... + 7114217.

It is an arithmetic number, because the mean of its divisors is an integer number (2526543626220).

Almost surely, 2^{20212320322122} is an apocalyptic number.

20212320322122 is an abundant number, since it is smaller than the sum of its proper divisors (20212377697398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20212320322122 is a wasteful number, since it uses less digits than its factorization.

20212320322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781277.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20212320322122 its reverse (22122302321202), we get a palindrome (42334622643324).

The spelling of 20212320322122 in words is "twenty trillion, two hundred twelve billion, three hundred twenty million, three hundred twenty-two thousand, one hundred twenty-two".