220101210201212 has 24 divisors (see below), whose sum is σ = 407835084699504. Its totient is φ = 103576915821312.

The previous prime is 220101210201209. The next prime is 220101210201221. The reversal of 220101210201212 is 212102012101022.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81027278 + ... + 83699594.

It is an arithmetic number, because the mean of its divisors is an integer number (16993128529146).

Almost surely, 2^{220101210201212} is an apocalyptic number.

It is an amenable number.

220101210201212 is a deficient number, since it is larger than the sum of its proper divisors (187733874498292).

220101210201212 is a wasteful number, since it uses less digits than its factorization.

220101210201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883565 (or 3883563 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220101210201212 its reverse (212102012101022), we get a palindrome (432203222302234).

The spelling of 220101210201212 in words is "two hundred twenty trillion, one hundred one billion, two hundred ten million, two hundred one thousand, two hundred twelve".