12309806748572 has 6 divisors (see below), whose sum is σ = 21542161810008. Its totient is φ = 6154903374284.

The previous prime is 12309806748571. The next prime is 12309806748647. The reversal of 12309806748572 is 27584760890321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12309806748571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1538725843568 + ... + 1538725843575.

It is an arithmetic number, because the mean of its divisors is an integer number (3590360301668).

It is a 1-persistent number, because it is pandigital, but 2⋅12309806748572 = 24619613497144 is not.

Almost surely, 2^{12309806748572} is an apocalyptic number.

It is an amenable number.

12309806748572 is a deficient number, since it is larger than the sum of its proper divisors (9232355061436).

12309806748572 is a wasteful number, since it uses less digits than its factorization.

12309806748572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077451687147 (or 3077451687145 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 12309806748572 in words is "twelve trillion, three hundred nine billion, eight hundred six million, seven hundred forty-eight thousand, five hundred seventy-two".