212148992 has 36 divisors (see below), whose sum is σ = 461972616. Its totient is φ = 96430080.

The previous prime is 212148977. The next prime is 212149013. The reversal of 212148992 is 299841212.

212148992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34853 + ... + 40484.

Almost surely, 2^212148992 is an apocalyptic number.

212148992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212148992 is an abundant number, since it is smaller than the sum of its proper divisors (249823624).

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

212148992 is an equidigital number, since it uses as much as digits as its factorization.

212148992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75364 (or 75350 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 212148992 is about 14565.3352862198. The cubic root of 212148992 is about 596.4128484978.

The spelling of 212148992 in words is "two hundred twelve million, one hundred forty-eight thousand, nine hundred ninety-two".