12249994101 has 4 divisors (see below), whose sum is σ = 16333325472. Its totient is φ = 8166662732.

The previous prime is 12249994061. The next prime is 12249994129. The reversal of 12249994101 is 10149994221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12249994101 - 2¹⁸ = 12249731957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12249994201) 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, 2041665681 + ... + 2041665686.

It is an arithmetic number, because the mean of its divisors is an integer number (4083331368).

Almost surely, 2^12249994101 is an apocalyptic number.

It is an amenable number.

12249994101 is a deficient number, since it is larger than the sum of its proper divisors (4083331371).

12249994101 is an equidigital number, since it uses as much as digits as its factorization.

12249994101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083331370.

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 12249994101 in words is "twelve billion, two hundred forty-nine million, nine hundred ninety-four thousand, one hundred one".