12040413122 has 4 divisors (see below), whose sum is σ = 18060619686. Its totient is φ = 6020206560.

The previous prime is 12040413061. The next prime is 12040413137. The reversal of 12040413122 is 22131404021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9175915681 + 2864497441 = 95791^2 + 53521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12040413094 and 12040413103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3010103279 + ... + 3010103282.

Almost surely, 2^12040413122 is an apocalyptic number.

12040413122 is a deficient number, since it is larger than the sum of its proper divisors (6020206564).

12040413122 is an equidigital number, since it uses as much as digits as its factorization.

12040413122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6020206563.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12040413122 its reverse (22131404021), we get a palindrome (34171817143).

The spelling of 12040413122 in words is "twelve billion, forty million, four hundred thirteen thousand, one hundred twenty-two".