212222010000 has 1600 divisors, whose sum is σ = 949635219456. Its totient is φ = 39398400000.

The previous prime is 212222009977. The next prime is 212222010001. The reversal of 212222010000 is 10222212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (212222010001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 1111109905 + ... + 1111110095.

Almost surely, 2^212222010000 is an apocalyptic number.

212222010000 is a gapful number since it is divisible by the number (20) 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 212222010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474817609728).

212222010000 is an abundant number, since it is smaller than the sum of its proper divisors (737413209456).

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

212222010000 is a wasteful number, since it uses less digits than its factorization.

212222010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212222010000 its reverse (10222212), we get a palindrome (212232232212).

The spelling of 212222010000 in words is "two hundred twelve billion, two hundred twenty-two million, ten thousand".