22210210201212 has 144 divisors (see below), whose sum is σ = 62903980339200. Its totient is φ = 6549065452800.

The previous prime is 22210210201183. The next prime is 22210210201247. The reversal of 22210210201212 is 21210201201222.

It is a happy number.

22210210201212 is a `hidden beast` number, since 2 + 221 + 0 + 210 + 20 + 1 + 212 = 666.

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

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, 4432539 + ... + 8004237.

It is an arithmetic number, because the mean of its divisors is an integer number (436833196800).

Almost surely, 2^{22210210201212} is an apocalyptic number.

22210210201212 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 22210210201212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31451990169600).

22210210201212 is an abundant number, since it is smaller than the sum of its proper divisors (40693770137988).

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

22210210201212 is a wasteful number, since it uses less digits than its factorization.

22210210201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572144 (or 3572139 counting only the distinct ones).

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

Adding to 22210210201212 its reverse (21210201201222), we get a palindrome (43420411402434).

It can be divided in two parts, 22210210 and 201212, that added together give a palindrome (22411422).

The spelling of 22210210201212 in words is "twenty-two trillion, two hundred ten billion, two hundred ten million, two hundred one thousand, two hundred twelve".