212478376 has 32 divisors (see below), whose sum is σ = 460183680. Its totient is φ = 90899200.

The previous prime is 212478361. The next prime is 212478377. The reversal of 212478376 is 673874212.

It is not an unprimeable number, because it can be changed into a prime (212478377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69520 + ... + 72511.

It is an arithmetic number, because the mean of its divisors is an integer number (14380740).

Almost surely, 2^212478376 is an apocalyptic number.

It is an amenable number.

212478376 is an abundant number, since it is smaller than the sum of its proper divisors (247705304).

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

212478376 is a wasteful number, since it uses less digits than its factorization.

212478376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142065 (or 142061 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 212478376 is about 14576.6380211625. The cubic root of 212478376 is about 596.7213538021.

The spelling of 212478376 in words is "two hundred twelve million, four hundred seventy-eight thousand, three hundred seventy-six".