12042888811 has 4 divisors (see below), whose sum is σ = 12043796400. Its totient is φ = 12041981224.

The previous prime is 12042888763. The next prime is 12042888833. The reversal of 12042888811 is 11888824021.

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 12042888811 - 2¹⁷ = 12042757739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12042888211) 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, 433591 + ... + 460528.

It is an arithmetic number, because the mean of its divisors is an integer number (3010949100).

Almost surely, 2^12042888811 is an apocalyptic number.

12042888811 is a deficient number, since it is larger than the sum of its proper divisors (907589).

12042888811 is an equidigital number, since it uses as much as digits as its factorization.

12042888811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907588.

The product of its (nonzero) digits is 65536, while the sum is 43.

The spelling of 12042888811 in words is "twelve billion, forty-two million, eight hundred eighty-eight thousand, eight hundred eleven".