212072294 has 12 divisors (see below), whose sum is σ = 370044684. Its totient is φ = 90888084.

The previous prime is 212072251. The next prime is 212072299. The reversal of 212072294 is 492270212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212072299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1081904 + ... + 1082099.

It is an arithmetic number, because the mean of its divisors is an integer number (30837057).

Almost surely, 2^212072294 is an apocalyptic number.

212072294 is a deficient number, since it is larger than the sum of its proper divisors (157972390).

212072294 is a wasteful number, since it uses less digits than its factorization.

212072294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164019 (or 2164012 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 212072294 is about 14562.7021531033. The cubic root of 212072294 is about 596.3409663331.

The spelling of 212072294 in words is "two hundred twelve million, seventy-two thousand, two hundred ninety-four".