220021000212212 has 24 divisors (see below), whose sum is σ = 405307560030240. Its totient is φ = 104219003561760.

The previous prime is 220021000212173. The next prime is 220021000212217. The reversal of 220021000212212 is 212212000120022.

It is a happy number.

220021000212212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021000212217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14987423 + ... + 25781094.

It is an arithmetic number, because the mean of its divisors is an integer number (16887815001260).

Almost surely, 2^{220021000212212} is an apocalyptic number.

It is an amenable number.

220021000212212 is a deficient number, since it is larger than the sum of its proper divisors (185286559818028).

220021000212212 is a wasteful number, since it uses less digits than its factorization.

220021000212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40839551 (or 40839549 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220021000212212 its reverse (212212000120022), we get a palindrome (432233000332234).

The spelling of 220021000212212 in words is "two hundred twenty trillion, twenty-one billion, two hundred twelve thousand, two hundred twelve".