212978094480012 has 48 divisors (see below), whose sum is σ = 510419940730112. Its totient is φ = 69068562701760.

The previous prime is 212978094479999. The next prime is 212978094480013. The reversal of 212978094480012 is 210084490879212.

212978094480012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212978094480013) 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, 13125064 + ... + 24458607.

Almost surely, 2^{212978094480012} is an apocalyptic number.

It is an amenable number.

212978094480012 is an abundant number, since it is smaller than the sum of its proper divisors (297441846250100).

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

212978094480012 is a wasteful number, since it uses less digits than its factorization.

212978094480012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37596478 (or 37596476 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 212978094480012 in words is "two hundred twelve trillion, nine hundred seventy-eight billion, ninety-four million, four hundred eighty thousand, twelve".