220212021222012 has 12 divisors (see below), whose sum is σ = 513828049518056. Its totient is φ = 73404007074000.

The previous prime is 220212021221947. The next prime is 220212021222031. The reversal of 220212021222012 is 210222120212022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 220212021222012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9175500884239 + ... + 9175500884262.

Almost surely, 2^{220212021222012} is an apocalyptic number.

It is an amenable number.

220212021222012 is an abundant number, since it is smaller than the sum of its proper divisors (293616028296044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220212021222012 is a wasteful number, since it uses less digits than its factorization.

220212021222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18351001768508 (or 18351001768506 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220212021222012 its reverse (210222120212022), we get a palindrome (430434141434034).

The spelling of 220212021222012 in words is "two hundred twenty trillion, two hundred twelve billion, twenty-one million, two hundred twenty-two thousand, twelve".