12249921494 has 8 divisors (see below), whose sum is σ = 19008498960. Its totient is φ = 5913755176.

The previous prime is 12249921491. The next prime is 12249921521. The reversal of 12249921494 is 49412994221.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12249921491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105602714 + ... + 105602829.

It is an arithmetic number, because the mean of its divisors is an integer number (2376062370).

Almost surely, 2^12249921494 is an apocalyptic number.

12249921494 is a deficient number, since it is larger than the sum of its proper divisors (6758577466).

12249921494 is a wasteful number, since it uses less digits than its factorization.

12249921494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211205574.

The product of its digits is 373248, while the sum is 47.

The spelling of 12249921494 in words is "twelve billion, two hundred forty-nine million, nine hundred twenty-one thousand, four hundred ninety-four".