120451722502500 has 525 divisors, whose sum is σ = 407532640245577. Its totient is φ = 31012857288000.

The previous prime is 120451722502487. The next prime is 120451722502597. The reversal of 120451722502500 is 5205227154021.

The square root of 120451722502500 is 10975050.

It is a perfect power (a square), and thus also a powerful number.

120451722502500 is a `hidden beast` number, since 1 + 20 + 4 + 517 + 22 + 50 + 2 + 50 + 0 = 666.

It can be written as a sum of positive squares in 17 ways, for example, as 35598000556836 + 84853721945664 = 5966406^2 + 9211608^2 .

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

It is a Duffinian number.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 63075 × 37845 × 50460.

It is an unprimeable number.

It is a polite number, since it can be written in 174 ways as a sum of consecutive naturals, for example, 4153507672486 + ... + 4153507672514.

Almost surely, 2^{120451722502500} is an apocalyptic number.

120451722502500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120451722502500 is the 10975050-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120451722502500

120451722502500 is an abundant number, since it is smaller than the sum of its proper divisors (287080917743077).

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

120451722502500 is an frugal number, since it uses more digits than its factorization.

120451722502500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

120451722502500 divided by its sum of digits (36) gives a square (3345881180625 = 1829175²).

Adding to 120451722502500 its reverse (5205227154021), we get a palindrome (125656949656521).

The spelling of 120451722502500 in words is "one hundred twenty trillion, four hundred fifty-one billion, seven hundred twenty-two million, five hundred two thousand, five hundred".