212620 has 12 divisors (see below), whose sum is σ = 446544. Its totient is φ = 85040.

The previous prime is 212593. The next prime is 212627. The reversal of 212620 is 26212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212620.

It is not an unprimeable number, because it can be changed into a prime (212627) by changing a digit.

212620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5296 + ... + 5335.

It is an arithmetic number, because the mean of its divisors is an integer number (37212).

2²¹²⁶²⁰ is an apocalyptic number.

212620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212620 is an abundant number, since it is smaller than the sum of its proper divisors (233924).

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

212620 is a wasteful number, since it uses less digits than its factorization.

212620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10640 (or 10638 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 212620 is about 461.1073627692. The cubic root of 212620 is about 59.6853902656.

Adding to 212620 its reverse (26212), we get a palindrome (238832).

The spelling of 212620 in words is "two hundred twelve thousand, six hundred twenty".