12472752621 has 8 divisors (see below), whose sum is σ = 19006099264. Its totient is φ = 7127287200.

The previous prime is 12472752619. The next prime is 12472752631. The reversal of 12472752621 is 12625727421.

It is a happy number.

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

It is not a de Polignac number, because 12472752621 - 2¹ = 12472752619 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12472752621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472752631) 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, 296970280 + ... + 296970321.

It is an arithmetic number, because the mean of its divisors is an integer number (2375762408).

Almost surely, 2^12472752621 is an apocalyptic number.

It is an amenable number.

12472752621 is a deficient number, since it is larger than the sum of its proper divisors (6533346643).

12472752621 is an equidigital number, since it uses as much as digits as its factorization.

12472752621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593940611.

The product of its digits is 94080, while the sum is 39.

The spelling of 12472752621 in words is "twelve billion, four hundred seventy-two million, seven hundred fifty-two thousand, six hundred twenty-one".