2122312001200 has 60 divisors (see below), whose sum is σ = 5146507533240. Its totient is φ = 840990906880.

The previous prime is 2122312001189. The next prime is 2122312001269. The reversal of 2122312001200 is 21002132212.

It is a happy number.

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

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, 24750565 + ... + 24836164.

It is an arithmetic number, because the mean of its divisors is an integer number (85775125554).

Almost surely, 2^{2122312001200} is an apocalyptic number.

2122312001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122312001200 is an abundant number, since it is smaller than the sum of its proper divisors (3024195532040).

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

2122312001200 is a wasteful number, since it uses less digits than its factorization.

2122312001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49586854 (or 49586843 counting only the distinct ones).

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

Adding to 2122312001200 its reverse (21002132212), we get a palindrome (2143314133412).

The spelling of 2122312001200 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one thousand, two hundred".