12238289990 has 8 divisors (see below), whose sum is σ = 22028922000. Its totient is φ = 4895315992.

The previous prime is 12238289983. The next prime is 12238290011. The reversal of 12238289990 is 9998283221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 611914490 + ... + 611914509.

It is an arithmetic number, because the mean of its divisors is an integer number (2753615250).

Almost surely, 2^12238289990 is an apocalyptic number.

12238289990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12238289990 is a deficient number, since it is larger than the sum of its proper divisors (9790632010).

12238289990 is a wasteful number, since it uses less digits than its factorization.

12238289990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223829006.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 12238289990 in words is "twelve billion, two hundred thirty-eight million, two hundred eighty-nine thousand, nine hundred ninety".