12042221411 has 6 divisors (see below), whose sum is σ = 13236491436. Its totient is φ = 10947473900.

The previous prime is 12042221393. The next prime is 12042221431. The reversal of 12042221411 is 11412224021.

It is a de Polignac number, because none of the positive numbers 2^k-12042221411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12042221431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49761125 + ... + 49761366.

It is an arithmetic number, because the mean of its divisors is an integer number (2206081906).

Almost surely, 2^12042221411 is an apocalyptic number.

12042221411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12042221411 is a deficient number, since it is larger than the sum of its proper divisors (1194270025).

12042221411 is an equidigital number, since it uses as much as digits as its factorization.

12042221411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99522513 (or 99522502 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12042221411 its reverse (11412224021), we get a palindrome (23454445432).

The spelling of 12042221411 in words is "twelve billion, forty-two million, two hundred twenty-one thousand, four hundred eleven".