2120220122212 has 24 divisors (see below), whose sum is σ = 3906933458400. Its totient is φ = 1003989557376.

The previous prime is 2120220122201. The next prime is 2120220122219. The reversal of 2120220122212 is 2122210220212.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2120220122212.

It is not an unprimeable number, because it can be changed into a prime (2120220122219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4280878 + ... + 4750405.

It is an arithmetic number, because the mean of its divisors is an integer number (162788894100).

Almost surely, 2^{2120220122212} is an apocalyptic number.

It is an amenable number.

2120220122212 is a deficient number, since it is larger than the sum of its proper divisors (1786713336188).

2120220122212 is a wasteful number, since it uses less digits than its factorization.

2120220122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9034395 (or 9034393 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2120220122212 its reverse (2122210220212), we get a palindrome (4242430342424).

The spelling of 2120220122212 in words is "two trillion, one hundred twenty billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twelve".