212941192 has 8 divisors (see below), whose sum is σ = 399264750. Its totient is φ = 106470592.

The previous prime is 212941181. The next prime is 212941193. The reversal of 212941192 is 291149212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 147233956 + 65707236 = 12134^2 + 8106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (212941193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13308817 + ... + 13308832.

Almost surely, 2^212941192 is an apocalyptic number.

It is an amenable number.

212941192 is a deficient number, since it is larger than the sum of its proper divisors (186323558).

212941192 is a wasteful number, since it uses less digits than its factorization.

212941192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26617655 (or 26617651 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 212941192 is about 14592.5046513613. The cubic root of 212941192 is about 597.1542949795.

The spelling of 212941192 in words is "two hundred twelve million, nine hundred forty-one thousand, one hundred ninety-two".