12401102123 has 4 divisors (see below), whose sum is σ = 12434892960. Its totient is φ = 12367311288.

The previous prime is 12401102117. The next prime is 12401102173. The reversal of 12401102123 is 32120110421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12401102123 - 2⁶ = 12401102059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12401102113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16894868 + ... + 16895601.

It is an arithmetic number, because the mean of its divisors is an integer number (3108723240).

Almost surely, 2^12401102123 is an apocalyptic number.

12401102123 is a deficient number, since it is larger than the sum of its proper divisors (33790837).

12401102123 is an equidigital number, since it uses as much as digits as its factorization.

12401102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33790836.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12401102123 its reverse (32120110421), we get a palindrome (44521212544).

The spelling of 12401102123 in words is "twelve billion, four hundred one million, one hundred two thousand, one hundred twenty-three".