12294730621 has 8 divisors (see below), whose sum is σ = 12501688184. Its totient is φ = 12087947520.

The previous prime is 12294730589. The next prime is 12294730631. The reversal of 12294730621 is 12603749221.

It can be written as a sum of positive squares in 4 ways, for example, as 955675396 + 11339055225 = 30914^2 + 106485^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12294730621 - 2⁵ = 12294730589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12294730631) 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, 102601 + ... + 187393.

It is an arithmetic number, because the mean of its divisors is an integer number (1562711023).

Almost surely, 2^12294730621 is an apocalyptic number.

It is an amenable number.

12294730621 is a deficient number, since it is larger than the sum of its proper divisors (206957563).

12294730621 is an equidigital number, since it uses as much as digits as its factorization.

12294730621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87231.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 12294730621 in words is "twelve billion, two hundred ninety-four million, seven hundred thirty thousand, six hundred twenty-one".