12042443290 has 16 divisors (see below), whose sum is σ = 21689009568. Its totient is φ = 4814174736.

The previous prime is 12042443233. The next prime is 12042443291. The reversal of 12042443290 is 9234424021.

It is not an unprimeable number, because it can be changed into a prime (12042443291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332232 + ... + 366691.

It is an arithmetic number, because the mean of its divisors is an integer number (1355563098).

Almost surely, 2^12042443290 is an apocalyptic number.

12042443290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12042443290 is a deficient number, since it is larger than the sum of its proper divisors (9646566278).

12042443290 is a wasteful number, since it uses less digits than its factorization.

12042443290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700653.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 12042443290 in words is "twelve billion, forty-two million, four hundred forty-three thousand, two hundred ninety".