12309628581492 has 48 divisors (see below), whose sum is σ = 31336944714432. Its totient is φ = 3729792302080.

The previous prime is 12309628581457. The next prime is 12309628581493. The reversal of 12309628581492 is 29418582690321.

12309628581492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12309628581493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3734763 + ... + 6210290.

It is an arithmetic number, because the mean of its divisors is an integer number (652853014884).

Almost surely, 2^{12309628581492} is an apocalyptic number.

12309628581492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12309628581492 is an abundant number, since it is smaller than the sum of its proper divisors (19027316132940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12309628581492 is a wasteful number, since it uses less digits than its factorization.

12309628581492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954448 (or 9954446 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 12309628581492 in words is "twelve trillion, three hundred nine billion, six hundred twenty-eight million, five hundred eighty-one thousand, four hundred ninety-two".