220101101001212 has 24 divisors (see below), whose sum is σ = 405452755357440. Its totient is φ = 104257552578480.

The previous prime is 220101101001157. The next prime is 220101101001259. The reversal of 220101101001212 is 212100101101022.

It is a super-3 number, since 3×220101101001212³ (a number of 44 digits) contains 333 as substring.

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, 2714114 + ... + 21155817.

It is an arithmetic number, because the mean of its divisors is an integer number (16893864806560).

Almost surely, 2^{220101101001212} is an apocalyptic number.

It is an amenable number.

220101101001212 is a deficient number, since it is larger than the sum of its proper divisors (185351654356228).

220101101001212 is a wasteful number, since it uses less digits than its factorization.

220101101001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23991281 (or 23991279 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220101101001212 its reverse (212100101101022), we get a palindrome (432201202102234).

The spelling of 220101101001212 in words is "two hundred twenty trillion, one hundred one billion, one hundred one million, one thousand, two hundred twelve".