2123251130000 has 800 divisors, whose sum is σ = 6963080500992. Its totient is φ = 610536960000.

The previous prime is 2123251129999. The next prime is 2123251130053. The reversal of 2123251130000 is 311523212.

It is a super-2 number, since 2×2123251130000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1211209124 + ... + 1211210876.

Almost surely, 2^{2123251130000} is an apocalyptic number.

2123251130000 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 2123251130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3481540250496).

2123251130000 is an abundant number, since it is smaller than the sum of its proper divisors (4839829370992).

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

2123251130000 is a wasteful number, since it uses less digits than its factorization.

2123251130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 2123251130000 its reverse (311523212), we get a palindrome (2123562653212).

The spelling of 2123251130000 in words is "two trillion, one hundred twenty-three billion, two hundred fifty-one million, one hundred thirty thousand".