120072306543 has 16 divisors (see below), whose sum is σ = 182972219136. Its totient is φ = 68610911040.

The previous prime is 120072306533. The next prime is 120072306551. The reversal of 120072306543 is 345603270021.

It is not a de Polignac number, because 120072306543 - 2⁵ = 120072306511 is a prime.

It is a super-2 number, since 2×120072306543² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120072306533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321083 + ... + 1409043.

It is an arithmetic number, because the mean of its divisors is an integer number (11435763696).

Almost surely, 2^120072306543 is an apocalyptic number.

120072306543 is a deficient number, since it is larger than the sum of its proper divisors (62899912593).

120072306543 is an equidigital number, since it uses as much as digits as its factorization.

120072306543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152974.

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 120072306543 its reverse (345603270021), we get a palindrome (465675576564).

The spelling of 120072306543 in words is "one hundred twenty billion, seventy-two million, three hundred six thousand, five hundred forty-three".