212743260 has 120 divisors (see below), whose sum is σ = 683874576. Its totient is φ = 55330560.

The previous prime is 212743241. The next prime is 212743273. The reversal of 212743260 is 62347212.

212743260 is digitally balanced in base 2 and base 3, because in such bases 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 (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64819 + ... + 68021.

Almost surely, 2^212743260 is an apocalyptic number.

212743260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212743260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341937288).

212743260 is an abundant number, since it is smaller than the sum of its proper divisors (471131316).

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

212743260 is a wasteful number, since it uses less digits than its factorization.

212743260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265 (or 3254 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 212743260 is about 14585.7210997605. The cubic root of 212743260 is about 596.9692163617.

The spelling of 212743260 in words is "two hundred twelve million, seven hundred forty-three thousand, two hundred sixty".