2202121210212 has 432 divisors, whose sum is σ = 7464499660800. Its totient is φ = 540176757120.

The previous prime is 2202121210171. The next prime is 2202121210229. The reversal of 2202121210212 is 2120121212022.

It is a happy number.

2202121210212 is a `hidden beast` number, since 220 + 2 + 1 + 21 + 210 + 212 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 35225839 + ... + 35288297.

It is an arithmetic number, because the mean of its divisors is an integer number (17278934400).

Almost surely, 2^{2202121210212} is an apocalyptic number.

2202121210212 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 2202121210212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3732249830400).

2202121210212 is an abundant number, since it is smaller than the sum of its proper divisors (5262378450588).

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

2202121210212 is a wasteful number, since it uses less digits than its factorization.

2202121210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62596 (or 62584 counting only the distinct ones).

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

Adding to 2202121210212 its reverse (2120121212022), we get a palindrome (4322242422234).

The spelling of 2202121210212 in words is "two trillion, two hundred two billion, one hundred twenty-one million, two hundred ten thousand, two hundred twelve".