2122012320 has 48 divisors (see below), whose sum is σ = 6684340320. Its totient is φ = 565869824.

The previous prime is 2122012313. The next prime is 2122012339. The reversal of 2122012320 is 232102212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2122012320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2209950 + ... + 2210909.

It is an arithmetic number, because the mean of its divisors is an integer number (139257090).

Almost surely, 2^2122012320 is an apocalyptic number.

2122012320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122012320 is an abundant number, since it is smaller than the sum of its proper divisors (4562328000).

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

2122012320 is a wasteful number, since it uses less digits than its factorization.

2122012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420877 (or 4420869 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2122012320 is about 46065.3049485185. The cubic root of 2122012320 is about 1285.0379898633.

Adding to 2122012320 its reverse (232102212), we get a palindrome (2354114532).

The spelling of 2122012320 in words is "two billion, one hundred twenty-two million, twelve thousand, three hundred twenty".