12042221403 has 16 divisors (see below), whose sum is σ = 16212961440. Its totient is φ = 7949942784.

The previous prime is 12042221393. The next prime is 12042221431. The reversal of 12042221403 is 30412224021.

It is not a de Polignac number, because 12042221403 - 2¹² = 12042217307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12042221403.

It is not an unprimeable number, because it can be changed into a prime (12042221003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375463 + ... + 406271.

It is an arithmetic number, because the mean of its divisors is an integer number (1013310090).

Almost surely, 2^12042221403 is an apocalyptic number.

12042221403 is a deficient number, since it is larger than the sum of its proper divisors (4170740037).

12042221403 is a wasteful number, since it uses less digits than its factorization.

12042221403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32078.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12042221403 its reverse (30412224021), we get a palindrome (42454445424).

The spelling of 12042221403 in words is "twelve billion, forty-two million, two hundred twenty-one thousand, four hundred three".