12102101133123 has 64 divisors (see below), whose sum is σ = 17920338739200. Its totient is φ = 7234952400000.

The previous prime is 12102101133103. The next prime is 12102101133131. The reversal of 12102101133123 is 32133110120121.

It is not a de Polignac number, because 12102101133123 - 2¹⁴ = 12102101116739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12102101133123.

It is not an unprimeable number, because it can be changed into a prime (12102101133103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18980248 + ... + 19607498.

It is an arithmetic number, because the mean of its divisors is an integer number (280005292800).

Almost surely, 2^{12102101133123} is an apocalyptic number.

12102101133123 is a deficient number, since it is larger than the sum of its proper divisors (5818237606077).

12102101133123 is a wasteful number, since it uses less digits than its factorization.

12102101133123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627544.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12102101133123 its reverse (32133110120121), we get a palindrome (44235211253244).

The spelling of 12102101133123 in words is "twelve trillion, one hundred two billion, one hundred one million, one hundred thirty-three thousand, one hundred twenty-three".