212215010 has 32 divisors (see below), whose sum is σ = 437114880. Its totient is φ = 72666432.

The previous prime is 212215001. The next prime is 212215013. The reversal of 212215010 is 10512212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (212215013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74696 + ... + 77484.

It is an arithmetic number, because the mean of its divisors is an integer number (13659840).

Almost surely, 2^212215010 is an apocalyptic number.

212215010 is an abundant number, since it is smaller than the sum of its proper divisors (224899870).

212215010 is a wasteful number, since it uses less digits than its factorization.

212215010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 212215010 is about 14567.6013811471. The cubic root of 212215010 is about 596.4747073822.

Adding to 212215010 its reverse (10512212), we get a palindrome (222727222).

The spelling of 212215010 in words is "two hundred twelve million, two hundred fifteen thousand, ten".