220212221010012 has 576 divisors, whose sum is σ = 743857578938880. Its totient is φ = 55676673561600.

The previous prime is 220212221009993. The next prime is 220212221010017. The reversal of 220212221010012 is 210010122212022.

It is a happy number.

220212221010012 is a `hidden beast` number, since 220 + 2 + 122 + 210 + 100 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212221010017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1057200418 + ... + 1057408694.

It is an arithmetic number, because the mean of its divisors is an integer number (1291419407880).

Almost surely, 2^{220212221010012} is an apocalyptic number.

220212221010012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220212221010012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371928789469440).

220212221010012 is an abundant number, since it is smaller than the sum of its proper divisors (523645357928868).

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

220212221010012 is a wasteful number, since it uses less digits than its factorization.

220212221010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208799 (or 208784 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220212221010012 its reverse (210010122212022), we get a palindrome (430222343222034).

The spelling of 220212221010012 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred twenty-one million, ten thousand, twelve".