12010020102123 has 32 divisors (see below), whose sum is σ = 16185031602432. Its totient is φ = 7921374652800.

The previous prime is 12010020102109. The next prime is 12010020102151. The reversal of 12010020102123 is 32120102001021.

It is not a de Polignac number, because 12010020102123 - 2⁸ = 12010020101867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12010020102103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94842336 + ... + 94968882.

It is an arithmetic number, because the mean of its divisors is an integer number (505782237576).

Almost surely, 2^{12010020102123} is an apocalyptic number.

12010020102123 is a deficient number, since it is larger than the sum of its proper divisors (4175011500309).

12010020102123 is a wasteful number, since it uses less digits than its factorization.

12010020102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127595.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12010020102123 its reverse (32120102001021), we get a palindrome (44130122103144).

The spelling of 12010020102123 in words is "twelve trillion, ten billion, twenty million, one hundred two thousand, one hundred twenty-three".