12220031000238 has 16 divisors (see below), whose sum is σ = 24901195246416. Its totient is φ = 3996488125760.

The previous prime is 12220031000237. The next prime is 12220031000279. The reversal of 12220031000238 is 83200013002221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220031000237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19213884903 + ... + 19213885538.

It is an arithmetic number, because the mean of its divisors is an integer number (1556324702901).

Almost surely, 2^{12220031000238} is an apocalyptic number.

12220031000238 is an abundant number, since it is smaller than the sum of its proper divisors (12681164246178).

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

12220031000238 is a wasteful number, since it uses less digits than its factorization.

12220031000238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38427770499.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12220031000238 its reverse (83200013002221), we get a palindrome (95420044002459).

The spelling of 12220031000238 in words is "twelve trillion, two hundred twenty billion, thirty-one million, two hundred thirty-eight", and thus it is an aban number.