212320300 has 18 divisors (see below), whose sum is σ = 460735268. Its totient is φ = 84928080.

The previous prime is 212320267. The next prime is 212320301. The reversal of 212320300 is 3023212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212320301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1061502 + ... + 1061701.

Almost surely, 2^212320300 is an apocalyptic number.

212320300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212320300 is an abundant number, since it is smaller than the sum of its proper divisors (248414968).

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

212320300 is a wasteful number, since it uses less digits than its factorization.

212320300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123217 (or 2123210 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 212320300 is about 14571.2147743419. The cubic root of 212320300 is about 596.5733376005.

Adding to 212320300 its reverse (3023212), we get a palindrome (215343512).

The spelling of 212320300 in words is "two hundred twelve million, three hundred twenty thousand, three hundred".