212102860 has 12 divisors (see below), whose sum is σ = 445416048. Its totient is φ = 84841136.

The previous prime is 212102831. The next prime is 212102861. The reversal of 212102860 is 68201212.

212102860 is digitally balanced in base 2, 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 (212102861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5302552 + ... + 5302591.

It is an arithmetic number, because the mean of its divisors is an integer number (37118004).

Almost surely, 2^212102860 is an apocalyptic number.

212102860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212102860 is an abundant number, since it is smaller than the sum of its proper divisors (233313188).

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

212102860 is a wasteful number, since it uses less digits than its factorization.

212102860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10605152 (or 10605150 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 212102860 is about 14563.7515771178. The cubic root of 212102860 is about 596.3696151836.

The spelling of 212102860 in words is "two hundred twelve million, one hundred two thousand, eight hundred sixty".