12147263772340 has 24 divisors (see below), whose sum is σ = 25761820796712. Its totient is φ = 4810797532800.

The previous prime is 12147263772317. The next prime is 12147263772361. The reversal of 12147263772340 is 4327736274121.

It can be written as a sum of positive squares in 4 ways, for example, as 6037409208996 + 6109854563344 = 2457114^2 + 2471812^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3006746439 + ... + 3006750478.

It is an arithmetic number, because the mean of its divisors is an integer number (1073409199863).

Almost surely, 2^{12147263772340} is an apocalyptic number.

12147263772340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12147263772340 is an abundant number, since it is smaller than the sum of its proper divisors (13614557024372).

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

12147263772340 is a wasteful number, since it uses less digits than its factorization.

12147263772340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6013497027 (or 6013497025 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 49.

The spelling of 12147263772340 in words is "twelve trillion, one hundred forty-seven billion, two hundred sixty-three million, seven hundred seventy-two thousand, three hundred forty".