2122120221212 has 24 divisors (see below), whose sum is σ = 3718032192000. Its totient is φ = 1059825628976.

The previous prime is 2122120221197. The next prime is 2122120221227. The reversal of 2122120221212 is 2121220212212.

It is an interprime number because it is at equal distance from previous prime (2122120221197) and next prime (2122120221227).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29686289 + ... + 29757687.

It is an arithmetic number, because the mean of its divisors is an integer number (154918008000).

Almost surely, 2^{2122120221212} is an apocalyptic number.

It is an amenable number.

2122120221212 is a deficient number, since it is larger than the sum of its proper divisors (1595911970788).

2122120221212 is a wasteful number, since it uses less digits than its factorization.

2122120221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79945 (or 79943 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2122120221212 its reverse (2121220212212), we get a palindrome (4243340433424).

The spelling of 2122120221212 in words is "two trillion, one hundred twenty-two billion, one hundred twenty million, two hundred twenty-one thousand, two hundred twelve".