212300010 has 96 divisors (see below), whose sum is σ = 615036240. Its totient is φ = 50448384.

The previous prime is 212299991. The next prime is 212300021. The reversal of 212300010 is 10003212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 124746561 + 87553449 = 11169^2 + 9357^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 212299965 and 212300001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30802 + ... + 37058.

Almost surely, 2^212300010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212300010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307518120).

212300010 is an abundant number, since it is smaller than the sum of its proper divisors (402736230).

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

212300010 is a wasteful number, since it uses less digits than its factorization.

212300010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312 (or 6309 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 212300010 is about 14570.5185220019. The cubic root of 212300010 is about 596.5543335162.

Adding to 212300010 its reverse (10003212), we get a palindrome (222303222).

The spelling of 212300010 in words is "two hundred twelve million, three hundred thousand, ten".