212885712 has 80 divisors (see below), whose sum is σ = 658082880. Its totient is φ = 65501568.

The previous prime is 212885641. The next prime is 212885731. The reversal of 212885712 is 217588212.

212885712 is a `hidden beast` number, since 2 + 1 + 2 + 88 + 571 + 2 = 666.

212885712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13338 + ... + 24569.

It is an arithmetic number, because the mean of its divisors is an integer number (8226036).

Almost surely, 2^212885712 is an apocalyptic number.

It is an amenable number.

212885712 is an abundant number, since it is smaller than the sum of its proper divisors (445197168).

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

212885712 is a wasteful number, since it uses less digits than its factorization.

212885712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37937 (or 37925 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 212885712 is about 14590.6035516013. The cubic root of 212885712 is about 597.1024293328.

It can be divided in two parts, 21288 and 5712, that added together give a cube (27000 = 30³).

The spelling of 212885712 in words is "two hundred twelve million, eight hundred eighty-five thousand, seven hundred twelve".