2120030465472 has 84 divisors (see below), whose sum is σ = 6080599980000. Its totient is φ = 706221484032.

The previous prime is 2120030465411. The next prime is 2120030465473. The reversal of 2120030465472 is 2745640300212.

2120030465472 is a `hidden beast` number, since 2 + 120 + 0 + 3 + 0 + 4 + 65 + 472 = 666.

It is a super-3 number, since 3×2120030465472³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120030465473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290472 + ... + 2079527.

It is an arithmetic number, because the mean of its divisors is an integer number (72388095000).

Almost surely, 2^{2120030465472} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120030465472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3040299990000).

2120030465472 is an abundant number, since it is smaller than the sum of its proper divisors (3960569514528).

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

2120030465472 is a wasteful number, since it uses less digits than its factorization.

2120030465472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371570 (or 2371557 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 2120030465472 its reverse (2745640300212), we get a palindrome (4865670765684).

The spelling of 2120030465472 in words is "two trillion, one hundred twenty billion, thirty million, four hundred sixty-five thousand, four hundred seventy-two".