12044211031 has 4 divisors (see below), whose sum is σ = 12062827152. Its totient is φ = 12025594912.

The previous prime is 12044211001. The next prime is 12044211071. The reversal of 12044211031 is 13011244021.

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 12044211031 - 2²¹ = 12042113879 is a prime.

It is a super-2 number, since 2×12044211031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044211001) 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, 9307090 + ... + 9308383.

It is an arithmetic number, because the mean of its divisors is an integer number (3015706788).

Almost surely, 2^12044211031 is an apocalyptic number.

12044211031 is a deficient number, since it is larger than the sum of its proper divisors (18616121).

12044211031 is an equidigital number, since it uses as much as digits as its factorization.

12044211031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18616120.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12044211031 its reverse (13011244021), we get a palindrome (25055455052).

The spelling of 12044211031 in words is "twelve billion, forty-four million, two hundred eleven thousand, thirty-one".