12102214432 has 96 divisors (see below), whose sum is σ = 30311971200. Its totient is φ = 4715101440.

The previous prime is 12102214427. The next prime is 12102214433. The reversal of 12102214432 is 23441220121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12102214433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70618 + ... + 170854.

It is an arithmetic number, because the mean of its divisors is an integer number (315749700).

Almost surely, 2^12102214432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12102214432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15155985600).

12102214432 is an abundant number, since it is smaller than the sum of its proper divisors (18209756768).

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

12102214432 is a wasteful number, since it uses less digits than its factorization.

12102214432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100279 (or 100257 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12102214432 its reverse (23441220121), we get a palindrome (35543434553).

The spelling of 12102214432 in words is "twelve billion, one hundred two million, two hundred fourteen thousand, four hundred thirty-two".