12421632872307 has 4 divisors (see below), whose sum is σ = 16562177163080. Its totient is φ = 8281088581536.

The previous prime is 12421632872293. The next prime is 12421632872317. The reversal of 12421632872307 is 70327823612421.

12421632872307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12421632872307 - 2¹⁶ = 12421632806771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12421632872317) 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, 2070272145382 + ... + 2070272145387.

It is an arithmetic number, because the mean of its divisors is an integer number (4140544290770).

Almost surely, 2^{12421632872307} is an apocalyptic number.

12421632872307 is a deficient number, since it is larger than the sum of its proper divisors (4140544290773).

12421632872307 is an equidigital number, since it uses as much as digits as its factorization.

12421632872307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140544290772.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 12421632872307 in words is "twelve trillion, four hundred twenty-one billion, six hundred thirty-two million, eight hundred seventy-two thousand, three hundred seven".