212220000112212 has 96 divisors (see below), whose sum is σ = 556392519970560. Its totient is φ = 69945922500480.

The previous prime is 212220000112207. The next prime is 212220000112213. The reversal of 212220000112212 is 212211000022212.

It is a happy number.

212220000112212 is a `hidden beast` number, since 212 + 220 + 0 + 0 + 0 + 11 + 221 + 2 = 666.

It is a super-2 number, since 2×212220000112212² (a number of 29 digits) contains 22 as substring.

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 (212220000112213) 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 31 ways as a sum of consecutive naturals, for example, 7343739 + ... + 21871682.

It is an arithmetic number, because the mean of its divisors is an integer number (5795755416360).

Almost surely, 2^{212220000112212} is an apocalyptic number.

It is an amenable number.

212220000112212 is an abundant number, since it is smaller than the sum of its proper divisors (344172519858348).

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

212220000112212 is a wasteful number, since it uses less digits than its factorization.

212220000112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29216190 (or 29216182 counting only the distinct ones).

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

Adding to 212220000112212 its reverse (212211000022212), we get a palindrome (424431000134424).

The spelling of 212220000112212 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred twelve thousand, two hundred twelve".