12303232111002 has 128 divisors (see below), whose sum is σ = 30626246246400. Its totient is φ = 3214971648000.

The previous prime is 12303232110977. The next prime is 12303232111007. The reversal of 12303232111002 is 20011123230321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12303232111002.

It is not an unprimeable number, because it can be changed into a prime (12303232111007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222853002 + ... + 222908202.

It is an arithmetic number, because the mean of its divisors is an integer number (239267548800).

Almost surely, 2^{12303232111002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12303232111002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15313123123200).

12303232111002 is an abundant number, since it is smaller than the sum of its proper divisors (18323014135398).

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

12303232111002 is a wasteful number, since it uses less digits than its factorization.

12303232111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64892.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12303232111002 its reverse (20011123230321), we get a palindrome (32314355341323).

The spelling of 12303232111002 in words is "twelve trillion, three hundred three billion, two hundred thirty-two million, one hundred eleven thousand, two".