212222222222010 has 1024 divisors, whose sum is σ = 713082345357312. Its totient is φ = 39004416000000.

The previous prime is 212222222222009. The next prime is 212222222222063. The reversal of 212222222222010 is 10222222222212.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 21434418060 + ... + 21434427960.

It is an arithmetic number, because the mean of its divisors is an integer number (696369477888).

Almost surely, 2^{212222222222010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212222222222010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356541172678656).

212222222222010 is an abundant number, since it is smaller than the sum of its proper divisors (500860123135302).

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

212222222222010 is a wasteful number, since it uses less digits than its factorization.

212222222222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10271.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 212222222222010 its reverse (10222222222212), we get a palindrome (222444444444222).

It can be divided in two parts, 212 and 222222222010, that added together give a palindrome (222222222222).

The spelling of 212222222222010 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, ten".