12102100023 has 32 divisors (see below), whose sum is σ = 17659192320. Its totient is φ = 7327111680.

The previous prime is 12102100009. The next prime is 12102100037. The reversal of 12102100023 is 32000120121.

It is an interprime number because it is at equal distance from previous prime (12102100009) and next prime (12102100037).

It is not a de Polignac number, because 12102100023 - 2⁵ = 12102099991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12102099981 and 12102100008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102107023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1388463 + ... + 1397151.

It is an arithmetic number, because the mean of its divisors is an integer number (551849760).

Almost surely, 2^12102100023 is an apocalyptic number.

12102100023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12102100023 is a deficient number, since it is larger than the sum of its proper divisors (5557092297).

12102100023 is a wasteful number, since it uses less digits than its factorization.

12102100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12102100023 its reverse (32000120121), we get a palindrome (44102220144).

The spelling of 12102100023 in words is "twelve billion, one hundred two million, one hundred thousand, twenty-three".