12320022030 has 64 divisors (see below), whose sum is σ = 29769562368. Its totient is φ = 3263016960.

The previous prime is 12320022007. The next prime is 12320022031. The reversal of 12320022030 is 3022002321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320022031) 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, 3562062 + ... + 3565518.

It is an arithmetic number, because the mean of its divisors is an integer number (465149412).

Almost surely, 2^12320022030 is an apocalyptic number.

12320022030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320022030 is an abundant number, since it is smaller than the sum of its proper divisors (17449540338).

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

12320022030 is a wasteful number, since it uses less digits than its factorization.

12320022030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 12320022030 its reverse (3022002321), we get a palindrome (15342024351).

The spelling of 12320022030 in words is "twelve billion, three hundred twenty million, twenty-two thousand, thirty".