212002192 has 10 divisors (see below), whose sum is σ = 410754278. Its totient is φ = 106001088.

The previous prime is 212002187. The next prime is 212002199. The reversal of 212002192 is 291200212.

212002192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 204947856 + 7054336 = 14316^2 + 2656^2 .

It is not an unprimeable number, because it can be changed into a prime (212002199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6625053 + ... + 6625084.

Almost surely, 2^212002192 is an apocalyptic number.

It is an amenable number.

212002192 is a deficient number, since it is larger than the sum of its proper divisors (198752086).

212002192 is a wasteful number, since it uses less digits than its factorization.

212002192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13250145 (or 13250139 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 212002192 is about 14560.2950519555. The cubic root of 212002192 is about 596.2752508472.

The spelling of 212002192 in words is "two hundred twelve million, two thousand, one hundred ninety-two".