12424020122 has 16 divisors (see below), whose sum is σ = 19006416072. Its totient is φ = 6088779840.

The previous prime is 12424020113. The next prime is 12424020149. The reversal of 12424020122 is 22102042421.

It can be written as a sum of positive squares in 4 ways, for example, as 9590480761 + 2833539361 = 97931^2 + 53231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12424020094 and 12424020103.

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, 50828 + ... + 165624.

Almost surely, 2^12424020122 is an apocalyptic number.

12424020122 is a deficient number, since it is larger than the sum of its proper divisors (6582395950).

12424020122 is a wasteful number, since it uses less digits than its factorization.

12424020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115873.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12424020122 its reverse (22102042421), we get a palindrome (34526062543).

The spelling of 12424020122 in words is "twelve billion, four hundred twenty-four million, twenty thousand, one hundred twenty-two".