12022040144 has 40 divisors (see below), whose sum is σ = 24765332328. Its totient is φ = 5633925120.

The previous prime is 12022040123. The next prime is 12022040171. The reversal of 12022040144 is 44104022021.

It can be written as a sum of positive squares in 4 ways, for example, as 2441545744 + 9580494400 = 49412^2 + 97880^2 .

It is a congruent number.

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, 26147 + ... + 157250.

Almost surely, 2^12022040144 is an apocalyptic number.

It is an amenable number.

12022040144 is an abundant number, since it is smaller than the sum of its proper divisors (12743292184).

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

12022040144 is a wasteful number, since it uses less digits than its factorization.

12022040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183663 (or 183657 counting only the distinct ones).

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

Adding to 12022040144 its reverse (44104022021), we get a palindrome (56126062165).

The spelling of 12022040144 in words is "twelve billion, twenty-two million, forty thousand, one hundred forty-four".