2122122000 has 80 divisors (see below), whose sum is σ = 6841740672. Its totient is φ = 565897600.

The previous prime is 2122121977. The next prime is 2122122017. The reversal of 2122122000 is 2212212.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170844 + ... + 182843.

Almost surely, 2^2122122000 is an apocalyptic number.

2122122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122122000 is an abundant number, since it is smaller than the sum of its proper divisors (4719618672).

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

2122122000 is a wasteful number, since it uses less digits than its factorization.

2122122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353713 (or 353697 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2122122000 is about 46066.4954169514. The cubic root of 2122122000 is about 1285.0601293104.

Adding to 2122122000 its reverse (2212212), we get a palindrome (2124334212).

It can be divided in two parts, 212 and 2122000, that added together give a palindrome (2122212).

The spelling of 2122122000 in words is "two billion, one hundred twenty-two million, one hundred twenty-two thousand".