22120002123000 has 128 divisors (see below), whose sum is σ = 69725896269120. Its totient is φ = 5837856153600.

The previous prime is 22120002122987. The next prime is 22120002123017. The reversal of 22120002123000 is 32120002122.

It is a happy number.

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

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, 37715877 + ... + 38297876.

Almost surely, 2^{22120002123000} is an apocalyptic number.

22120002123000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120002123000 is an abundant number, since it is smaller than the sum of its proper divisors (47605894146120).

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

22120002123000 is a wasteful number, since it uses less digits than its factorization.

22120002123000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76013874 (or 76013860 counting only the distinct ones).

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

Adding to 22120002123000 its reverse (32120002122), we get a palindrome (22152122125122).

The spelling of 22120002123000 in words is "twenty-two trillion, one hundred twenty billion, two million, one hundred twenty-three thousand".