12002321130 has 64 divisors (see below), whose sum is σ = 30554921088. Its totient is φ = 3006924800.

The previous prime is 12002321129. The next prime is 12002321137. The reversal of 12002321130 is 3112320021.

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

It is not an unprimeable number, because it can be changed into a prime (12002321137) 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, 266230 + ... + 308030.

It is an arithmetic number, because the mean of its divisors is an integer number (477420642).

Almost surely, 2^12002321130 is an apocalyptic number.

12002321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12002321130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15277460544).

12002321130 is an abundant number, since it is smaller than the sum of its proper divisors (18552599958).

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

12002321130 is a wasteful number, since it uses less digits than its factorization.

12002321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42391.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12002321130 its reverse (3112320021), we get a palindrome (15114641151).

The spelling of 12002321130 in words is "twelve billion, two million, three hundred twenty-one thousand, one hundred thirty".