12231144001442 has 16 divisors (see below), whose sum is σ = 18693001291320. Its totient is φ = 6000145062912.

The previous prime is 12231144001409. The next prime is 12231144001477. The reversal of 12231144001442 is 24410044113221.

It can be written as a sum of positive squares in 4 ways, for example, as 12188819580001 + 42324421441 = 3491249^2 + 205729^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22949378 + ... + 23476290.

Almost surely, 2^{12231144001442} is an apocalyptic number.

12231144001442 is a deficient number, since it is larger than the sum of its proper divisors (6461857289878).

12231144001442 is a wasteful number, since it uses less digits than its factorization.

12231144001442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745957.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 12231144001442 its reverse (24410044113221), we get a palindrome (36641188114663).

The spelling of 12231144001442 in words is "twelve trillion, two hundred thirty-one billion, one hundred forty-four million, one thousand, four hundred forty-two".