68148821541412 has 12 divisors (see below), whose sum is σ = 119260525372380. Its totient is φ = 34074385720736.

The previous prime is 68148821541407. The next prime is 68148821541443. The reversal of 68148821541412 is 21414512884186.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63446099673636 + 4702721867776 = 7965306^2 + 2168576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724914 + ... + 11697142.

It is an arithmetic number, because the mean of its divisors is an integer number (9938377114365).

Almost surely, 2^{68148821541412} is an apocalyptic number.

It is an amenable number.

68148821541412 is a deficient number, since it is larger than the sum of its proper divisors (51111703830968).

68148821541412 is a wasteful number, since it uses less digits than its factorization.

68148821541412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12524990 (or 12524988 counting only the distinct ones).

The product of its digits is 3932160, while the sum is 55.

The spelling of 68148821541412 in words is "sixty-eight trillion, one hundred forty-eight billion, eight hundred twenty-one million, five hundred forty-one thousand, four hundred twelve".