212378092 has 6 divisors (see below), whose sum is σ = 371661668. Its totient is φ = 106189044.

The previous prime is 212378063. The next prime is 212378099. The reversal of 212378092 is 290873212.

It is not an unprimeable number, because it can be changed into a prime (212378099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26547258 + ... + 26547265.

Almost surely, 2^212378092 is an apocalyptic number.

It is an amenable number.

212378092 is a deficient number, since it is larger than the sum of its proper divisors (159283576).

212378092 is a wasteful number, since it uses less digits than its factorization.

212378092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53094527 (or 53094525 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 212378092 is about 14573.1977273349. The cubic root of 212378092 is about 596.6274602926.

The spelling of 212378092 in words is "two hundred twelve million, three hundred seventy-eight thousand, ninety-two".