212097792 has 72 divisors (see below), whose sum is σ = 567095536. Its totient is φ = 70373376.

The previous prime is 212097773. The next prime is 212097811. The reversal of 212097792 is 297790212.

It is an interprime number because it is at equal distance from previous prime (212097773) and next prime (212097811).

It is a self number, because there is not a number n which added to its sum of digits gives 212097792.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212238 + ... + 213234.

Almost surely, 2^212097792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212097792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283547768).

212097792 is an abundant number, since it is smaller than the sum of its proper divisors (354997744).

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

212097792 is an equidigital number, since it uses as much as digits as its factorization.

212097792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 212097792 is about 14563.5775824486. The cubic root of 212097792 is about 596.3648652472.

The spelling of 212097792 in words is "two hundred twelve million, ninety-seven thousand, seven hundred ninety-two".