101212000122222 has 96 divisors (see below), whose sum is σ = 242649519630336. Its totient is φ = 30231877636800.

The previous prime is 101212000122197. The next prime is 101212000122239. The reversal of 101212000122222 is 222221000212101.

It is a happy number.

101212000122222 is a `hidden beast` number, since 1 + 0 + 121 + 200 + 0 + 122 + 222 = 666.

It is a super-2 number, since 2×101212000122222² (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 junction number, because it is equal to n+sod(n) for n = 101212000122195 and 101212000122204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65349348 + ... + 66880200.

It is an arithmetic number, because the mean of its divisors is an integer number (2527599162816).

Almost surely, 2^{101212000122222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101212000122222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121324759815168).

101212000122222 is an abundant number, since it is smaller than the sum of its proper divisors (141437519508114).

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

101212000122222 is a wasteful number, since it uses less digits than its factorization.

101212000122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535646 (or 1535643 counting only the distinct ones).

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

Adding to 101212000122222 its reverse (222221000212101), we get a palindrome (323433000334323).

The spelling of 101212000122222 in words is "one hundred one trillion, two hundred twelve billion, one hundred twenty-two thousand, two hundred twenty-two".