12220123030302 has 64 divisors (see below), whose sum is σ = 27236291088384. Its totient is φ = 3623357046240.

The previous prime is 12220123030289. The next prime is 12220123030303. The reversal of 12220123030302 is 20303032102221.

It is a happy number.

12220123030302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12220123030302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220123030303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11744553 + ... + 12742635.

It is an arithmetic number, because the mean of its divisors is an integer number (425567048256).

Almost surely, 2^{12220123030302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220123030302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13618145544192).

12220123030302 is an abundant number, since it is smaller than the sum of its proper divisors (15016168058082).

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

12220123030302 is a wasteful number, since it uses less digits than its factorization.

12220123030302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002093.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12220123030302 its reverse (20303032102221), we get a palindrome (32523155132523).

The spelling of 12220123030302 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-three million, thirty thousand, three hundred two".