12102102031 has 16 divisors (see below), whose sum is σ = 12339328320. Its totient is φ = 11867834880.

The previous prime is 12102101983. The next prime is 12102102053. The reversal of 12102102031 is 13020120121.

It is a cyclic number.

It is not a de Polignac number, because 12102102031 - 2¹⁹ = 12101577743 is a prime.

It is a super-2 number, since 2×12102102031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102102071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4543206 + ... + 4545868.

It is an arithmetic number, because the mean of its divisors is an integer number (771208020).

Almost surely, 2^12102102031 is an apocalyptic number.

12102102031 is a deficient number, since it is larger than the sum of its proper divisors (237226289).

12102102031 is a wasteful number, since it uses less digits than its factorization.

12102102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12102102031 its reverse (13020120121), we get a palindrome (25122222152).

The spelling of 12102102031 in words is "twelve billion, one hundred two million, one hundred two thousand, thirty-one".