212378272 has 24 divisors (see below), whose sum is σ = 431609472. Its totient is φ = 102763200.

The previous prime is 212378269. The next prime is 212378279. The reversal of 212378272 is 272873212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212378279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106054 + ... + 108037.

It is an arithmetic number, because the mean of its divisors is an integer number (17983728).

Almost surely, 2^212378272 is an apocalyptic number.

It is an amenable number.

212378272 is an abundant number, since it is smaller than the sum of its proper divisors (219231200).

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

212378272 is a wasteful number, since it uses less digits than its factorization.

212378272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214132 (or 214124 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 212378272 is about 14573.2039030544. The cubic root of 212378272 is about 596.6276288488.

The spelling of 212378272 in words is "two hundred twelve million, three hundred seventy-eight thousand, two hundred seventy-two".