12401010123 has 16 divisors (see below), whose sum is σ = 16893198336. Its totient is φ = 8089865280.

The previous prime is 12401010121. The next prime is 12401010133. The reversal of 12401010123 is 32101010421.

12401010123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12401010123 - 2¹ = 12401010121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12401010121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195123 + ... + 250748.

It is an arithmetic number, because the mean of its divisors is an integer number (1055824896).

Almost surely, 2^12401010123 is an apocalyptic number.

12401010123 is a deficient number, since it is larger than the sum of its proper divisors (4492188213).

12401010123 is a wasteful number, since it uses less digits than its factorization.

12401010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446074.

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

Adding to 12401010123 its reverse (32101010421), we get a palindrome (44502020544).

The spelling of 12401010123 in words is "twelve billion, four hundred one million, ten thousand, one hundred twenty-three".