12042221102 has 4 divisors (see below), whose sum is σ = 18063331656. Its totient is φ = 6021110550.

The previous prime is 12042221101. The next prime is 12042221123. The reversal of 12042221102 is 20112224021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3010555274 + ... + 3010555277.

It is an arithmetic number, because the mean of its divisors is an integer number (4515832914).

Almost surely, 2^12042221102 is an apocalyptic number.

12042221102 is a deficient number, since it is larger than the sum of its proper divisors (6021110554).

12042221102 is an equidigital number, since it uses as much as digits as its factorization.

12042221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021110553.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12042221102 its reverse (20112224021), we get a palindrome (32154445123).

The spelling of 12042221102 in words is "twelve billion, forty-two million, two hundred twenty-one thousand, one hundred two".