12023420122 has 32 divisors (see below), whose sum is σ = 21369553920. Its totient is φ = 4964855040.

The previous prime is 12023420111. The next prime is 12023420141. The reversal of 12023420122 is 22102432021.

It is a super-2 number, since 2×12023420122² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12023420122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38898 + ... + 159874.

It is an arithmetic number, because the mean of its divisors is an integer number (667798560).

Almost surely, 2^12023420122 is an apocalyptic number.

12023420122 is a deficient number, since it is larger than the sum of its proper divisors (9346133798).

12023420122 is a wasteful number, since it uses less digits than its factorization.

12023420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121246.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12023420122 its reverse (22102432021), we get a palindrome (34125852143).

The spelling of 12023420122 in words is "twelve billion, twenty-three million, four hundred twenty thousand, one hundred twenty-two".