12621512341 has 8 divisors (see below), whose sum is σ = 12847518080. Its totient is φ = 12397162752.

The previous prime is 12621512311. The next prime is 12621512347. The reversal of 12621512341 is 14321512621.

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 12621512341 - 2⁷ = 12621512213 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 (12621512347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 398655 + ... + 429148.

It is an arithmetic number, because the mean of its divisors is an integer number (1605939760).

Almost surely, 2^12621512341 is an apocalyptic number.

It is an amenable number.

12621512341 is a deficient number, since it is larger than the sum of its proper divisors (226005739).

12621512341 is an equidigital number, since it uses as much as digits as its factorization.

12621512341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828075.

The product of its digits is 2880, while the sum is 28.

The spelling of 12621512341 in words is "twelve billion, six hundred twenty-one million, five hundred twelve thousand, three hundred forty-one".