2122123120 has 160 divisors (see below), whose sum is σ = 5450276160. Its totient is φ = 763699200.

The previous prime is 2122123099. The next prime is 2122123181. The reversal of 2122123120 is 213212212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2122123094 and 2122123103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9348447 + ... + 9348673.

It is an arithmetic number, because the mean of its divisors is an integer number (34064226).

Almost surely, 2^2122123120 is an apocalyptic number.

2122123120 is a gapful number since it is divisible by the number (20) 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 2122123120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2725138080).

2122123120 is an abundant number, since it is smaller than the sum of its proper divisors (3328153040).

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

2122123120 is a wasteful number, since it uses less digits than its factorization.

2122123120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2122123120 is about 46066.5075732902. The cubic root of 2122123120 is about 1285.0603553840.

Adding to 2122123120 its reverse (213212212), we get a palindrome (2335335332).

The spelling of 2122123120 in words is "two billion, one hundred twenty-two million, one hundred twenty-three thousand, one hundred twenty".