12042404101 has 54 divisors (see below), whose sum is σ = 15862943250. Its totient is φ = 9110477376.

The previous prime is 12042404081. The next prime is 12042404113. The reversal of 12042404101 is 10140424021.

It can be written as a sum of positive squares in 3 ways, for example, as 544989025 + 11497415076 = 23345^2 + 107226^2 .

It is not a de Polignac number, because 12042404101 - 2⁵ = 12042404069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042404161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 4379275 + ... + 4382023.

Almost surely, 2^12042404101 is an apocalyptic number.

It is an amenable number.

12042404101 is a deficient number, since it is larger than the sum of its proper divisors (3820539149).

12042404101 is a wasteful number, since it uses less digits than its factorization.

12042404101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12042404101 its reverse (10140424021), we get a palindrome (22182828122).

The spelling of 12042404101 in words is "twelve billion, forty-two million, four hundred four thousand, one hundred one".