12213387755348 has 48 divisors (see below), whose sum is σ = 24965938491984. Its totient is φ = 5175963893760.

The previous prime is 12213387755329. The next prime is 12213387755351. The reversal of 12213387755348 is 84355778331221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4803820664644 + 7409567090704 = 2191762^2 + 2722052^2 .

It is a super-2 number, since 2×12213387755348² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168452165 + ... + 168524652.

It is an arithmetic number, because the mean of its divisors is an integer number (520123718583).

Almost surely, 2^{12213387755348} is an apocalyptic number.

It is an amenable number.

12213387755348 is an abundant number, since it is smaller than the sum of its proper divisors (12752550736636).

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

12213387755348 is a wasteful number, since it uses less digits than its factorization.

12213387755348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336976892 (or 336976890 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 59.

The spelling of 12213387755348 in words is "twelve trillion, two hundred thirteen billion, three hundred eighty-seven million, seven hundred fifty-five thousand, three hundred forty-eight".