220001221212010 has 32 divisors (see below), whose sum is σ = 452942186636160. Its totient is φ = 75367615820352.

The previous prime is 220001221211987. The next prime is 220001221212023. The reversal of 220001221212010 is 10212122100022.

It is a happy number.

220001221212010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278544804 + ... + 1278716863.

It is an arithmetic number, because the mean of its divisors is an integer number (14154443332380).

Almost surely, 2^{220001221212010} is an apocalyptic number.

220001221212010 is an abundant number, since it is smaller than the sum of its proper divisors (232940965424150).

220001221212010 is a wasteful number, since it uses less digits than its factorization.

220001221212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557262910.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220001221212010 its reverse (10212122100022), we get a palindrome (230213343312032).

The spelling of 220001221212010 in words is "two hundred twenty trillion, one billion, two hundred twenty-one million, two hundred twelve thousand, ten".