212021220010 has 16 divisors (see below), whose sum is σ = 381657763296. Its totient is φ = 84804139728.

The previous prime is 212021219987. The next prime is 212021220017. The reversal of 212021220010 is 10022120212.

It is a happy number.

212021220010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212021220017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334932 + ... + 732271.

It is an arithmetic number, because the mean of its divisors is an integer number (23853610206).

Almost surely, 2^212021220010 is an apocalyptic number.

212021220010 is a deficient number, since it is larger than the sum of its proper divisors (169636543286).

212021220010 is a wasteful number, since it uses less digits than its factorization.

212021220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087077.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212021220010 its reverse (10022120212), we get a palindrome (222043340222).

The spelling of 212021220010 in words is "two hundred twelve billion, twenty-one million, two hundred twenty thousand, ten".