212601894 has 16 divisors (see below), whose sum is σ = 425401200. Its totient is φ = 70834400.

The previous prime is 212601863. The next prime is 212601899. The reversal of 212601894 is 498106212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212601899) 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, 8344 + ... + 22244.

It is an arithmetic number, because the mean of its divisors is an integer number (26587575).

Almost surely, 2^212601894 is an apocalyptic number.

212601894 is an abundant number, since it is smaller than the sum of its proper divisors (212799306).

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

212601894 is a wasteful number, since it uses less digits than its factorization.

212601894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16455.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 212601894 is about 14580.8742536242. The cubic root of 212601894 is about 596.8369601553.

The spelling of 212601894 in words is "two hundred twelve million, six hundred one thousand, eight hundred ninety-four".