12222412224040 has 16 divisors (see below), whose sum is σ = 27500427504180. Its totient is φ = 4888964889600.

The previous prime is 12222412224019. The next prime is 12222412224091. The reversal of 12222412224040 is 4042221422221.

It can be written as a sum of positive squares in 2 ways, for example, as 11004466020804 + 1217946203236 = 3317298^2 + 1103606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152780152761 + ... + 152780152840.

Almost surely, 2^{12222412224040} is an apocalyptic number.

12222412224040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222412224040 is an abundant number, since it is smaller than the sum of its proper divisors (15278015280140).

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

12222412224040 is a wasteful number, since it uses less digits than its factorization.

12222412224040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305560305612 (or 305560305608 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 12222412224040 its reverse (4042221422221), we get a palindrome (16264633646261).

The spelling of 12222412224040 in words is "twelve trillion, two hundred twenty-two billion, four hundred twelve million, two hundred twenty-four thousand, forty".