12020212102122 has 24 divisors (see below), whose sum is σ = 29764334729376. Its totient is φ = 3434346314856.

The previous prime is 12020212102117. The next prime is 12020212102163. The reversal of 12020212102122 is 22120121202021.

It is a happy number.

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 = 12020212102095 and 12020212102104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47699254248 + ... + 47699254499.

It is an arithmetic number, because the mean of its divisors is an integer number (1240180613724).

Almost surely, 2^{12020212102122} is an apocalyptic number.

12020212102122 is an abundant number, since it is smaller than the sum of its proper divisors (17744122627254).

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

12020212102122 is a wasteful number, since it uses less digits than its factorization.

12020212102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95398508762 (or 95398508759 counting only the distinct ones).

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

Adding to 12020212102122 its reverse (22120121202021), we get a palindrome (34140333304143).

The spelling of 12020212102122 in words is "twelve trillion, twenty billion, two hundred twelve million, one hundred two thousand, one hundred twenty-two".