12102116507 has 8 divisors (see below), whose sum is σ = 13038528384. Its totient is φ = 11166487488.

The previous prime is 12102116501. The next prime is 12102116549. The reversal of 12102116507 is 70561120121.

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

It is not a de Polignac number, because 12102116507 - 2²² = 12097922203 is a prime.

It is a super-2 number, since 2×12102116507² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102116501) 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, 163403 + ... + 225620.

It is an arithmetic number, because the mean of its divisors is an integer number (1629816048).

Almost surely, 2^12102116507 is an apocalyptic number.

12102116507 is a deficient number, since it is larger than the sum of its proper divisors (936411877).

12102116507 is a wasteful number, since it uses less digits than its factorization.

12102116507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391429.

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 12102116507 its reverse (70561120121), we get a palindrome (82663236628).

The spelling of 12102116507 in words is "twelve billion, one hundred two million, one hundred sixteen thousand, five hundred seven".