2123102120000 has 280 divisors, whose sum is σ = 5637078901080. Its totient is φ = 790282240000.

The previous prime is 2123102119997. The next prime is 2123102120003. The reversal of 2123102120000 is 212013212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2123102119997) and next prime (2123102120003).

It can be written as a sum of positive squares in 20 ways, for example, as 1943102178304 + 179999941696 = 1393952^2 + 424264^2 .

It is a super-2 number, since 2×2123102120000² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2123102120003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 60502460 + ... + 60537540.

Almost surely, 2^{2123102120000} is an apocalyptic number.

2123102120000 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 2123102120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2818539450540).

2123102120000 is an abundant number, since it is smaller than the sum of its proper divisors (3513976781080).

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

2123102120000 is an equidigital number, since it uses as much as digits as its factorization.

2123102120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35219 (or 35194 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2123102120000 its reverse (212013212), we get a palindrome (2123314133212).

The spelling of 2123102120000 in words is "two trillion, one hundred twenty-three billion, one hundred two million, one hundred twenty thousand".