12220004033440 has 96 divisors (see below), whose sum is σ = 33411656839680. Its totient is φ = 4136681263104.

The previous prime is 12220004033417. The next prime is 12220004033443. The reversal of 12220004033440 is 4433040002221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12220004033443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68966697 + ... + 69143656.

It is an arithmetic number, because the mean of its divisors is an integer number (348038092080).

Almost surely, 2^{12220004033440} is an apocalyptic number.

12220004033440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220004033440 is an abundant number, since it is smaller than the sum of its proper divisors (21191652806240).

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

12220004033440 is a wasteful number, since it uses less digits than its factorization.

12220004033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138110454 (or 138110446 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12220004033440 its reverse (4433040002221), we get a palindrome (16653044035661).

The spelling of 12220004033440 in words is "twelve trillion, two hundred twenty billion, four million, thirty-three thousand, four hundred forty".