12042111401 has 4 divisors (see below), whose sum is σ = 12045178704. Its totient is φ = 12039044100.

The previous prime is 12042111371. The next prime is 12042111407. The reversal of 12042111401 is 10411124021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12042111401 - 2⁶ = 12042111337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12042111401.

It is not an unprimeable number, because it can be changed into a prime (12042111407) 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, 1527755 + ... + 1535616.

It is an arithmetic number, because the mean of its divisors is an integer number (3011294676).

Almost surely, 2^12042111401 is an apocalyptic number.

It is an amenable number.

12042111401 is a deficient number, since it is larger than the sum of its proper divisors (3067303).

12042111401 is an equidigital number, since it uses as much as digits as its factorization.

12042111401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067302.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12042111401 its reverse (10411124021), we get a palindrome (22453235422).

The spelling of 12042111401 in words is "twelve billion, forty-two million, one hundred eleven thousand, four hundred one".