212605260 has 96 divisors (see below), whose sum is σ = 693245952. Its totient is φ = 47673600.

The previous prime is 212605241. The next prime is 212605297. The reversal of 212605260 is 62506212.

It is a self number, because there is not a number n which added to its sum of digits gives 212605260.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17485 + ... + 27035.

It is an arithmetic number, because the mean of its divisors is an integer number (7221312).

Almost surely, 2^212605260 is an apocalyptic number.

212605260 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 212605260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346622976).

212605260 is an abundant number, since it is smaller than the sum of its proper divisors (480640692).

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

212605260 is a wasteful number, since it uses less digits than its factorization.

212605260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623 (or 9621 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 212605260 is about 14580.9896783449. The cubic root of 212605260 is about 596.8401099275.

The spelling of 212605260 in words is "two hundred twelve million, six hundred five thousand, two hundred sixty".