12102122231 has 8 divisors (see below), whose sum is σ = 12824975664. Its totient is φ = 11380487040.

The previous prime is 12102122203. The next prime is 12102122243. The reversal of 12102122231 is 13222120121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12102122231 - 2¹⁸ = 12101860087 is a prime.

It is a super-2 number, since 2×12102122231² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102124231) 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, 284060 + ... + 323873.

It is an arithmetic number, because the mean of its divisors is an integer number (1603121958).

Almost surely, 2^12102122231 is an apocalyptic number.

12102122231 is a deficient number, since it is larger than the sum of its proper divisors (722853433).

12102122231 is a wasteful number, since it uses less digits than its factorization.

12102122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609121.

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

Adding to 12102122231 its reverse (13222120121), we get a palindrome (25324242352).

The spelling of 12102122231 in words is "twelve billion, one hundred two million, one hundred twenty-two thousand, two hundred thirty-one".