12102321104 has 40 divisors (see below), whose sum is σ = 24263268480. Its totient is φ = 5843996928.

The previous prime is 12102321103. The next prime is 12102321107. The reversal of 12102321104 is 40112320121.

It is a super-2 number, since 2×12102321104² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102321103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37592 + ... + 160055.

It is an arithmetic number, because the mean of its divisors is an integer number (606581712).

Almost surely, 2^12102321104 is an apocalyptic number.

It is an amenable number.

12102321104 is an abundant number, since it is smaller than the sum of its proper divisors (12160947376).

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

12102321104 is a wasteful number, since it uses less digits than its factorization.

12102321104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197787 (or 197781 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12102321104 its reverse (40112320121), we get a palindrome (52214641225).

The spelling of 12102321104 in words is "twelve billion, one hundred two million, three hundred twenty-one thousand, one hundred four".