20121323401122 has 32 divisors (see below), whose sum is σ = 40716246542400. Its totient is φ = 6628490877888.

The previous prime is 20121323401121. The next prime is 20121323401183. The reversal of 20121323401122 is 22110432312102.

It is a junction number, because it is equal to n+sod(n) for n = 20121323401092 and 20121323401101.

It is not an unprimeable number, because it can be changed into a prime (20121323401121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39291288 + ... + 39800099.

It is an arithmetic number, because the mean of its divisors is an integer number (1272382704450).

Almost surely, 2^{20121323401122} is an apocalyptic number.

20121323401122 is an abundant number, since it is smaller than the sum of its proper divisors (20594923141278).

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

20121323401122 is a wasteful number, since it uses less digits than its factorization.

20121323401122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79091890.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20121323401122 its reverse (22110432312102), we get a palindrome (42231755713224).

The spelling of 20121323401122 in words is "twenty trillion, one hundred twenty-one billion, three hundred twenty-three million, four hundred one thousand, one hundred twenty-two".