212012196 has 24 divisors (see below), whose sum is σ = 539667744. Its totient is φ = 64246080.

The previous prime is 212012123. The next prime is 212012197. The reversal of 212012196 is 691210212.

212012196 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212012197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802945 + ... + 803208.

It is an arithmetic number, because the mean of its divisors is an integer number (22486156).

Almost surely, 2^212012196 is an apocalyptic number.

It is an amenable number.

212012196 is an abundant number, since it is smaller than the sum of its proper divisors (327655548).

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

212012196 is a wasteful number, since it uses less digits than its factorization.

212012196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606171 (or 1606169 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 212012196 is about 14560.6385848973. The cubic root of 212012196 is about 596.2846297499.

The spelling of 212012196 in words is "two hundred twelve million, twelve thousand, one hundred ninety-six".