12102321006 has 48 divisors (see below), whose sum is σ = 27140405760. Its totient is φ = 3892916160.

The previous prime is 12102320969. The next prime is 12102321013. The reversal of 12102321006 is 60012320121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 12102321006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1191891 + ... + 1202001.

It is an arithmetic number, because the mean of its divisors is an integer number (565425120).

Almost surely, 2^12102321006 is an apocalyptic number.

12102321006 is an abundant number, since it is smaller than the sum of its proper divisors (15038084754).

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

12102321006 is a wasteful number, since it uses less digits than its factorization.

12102321006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12441 (or 12438 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12102321006 its reverse (60012320121), we get a palindrome (72114641127).

The spelling of 12102321006 in words is "twelve billion, one hundred two million, three hundred twenty-one thousand, six".