120343534056 has 64 divisors (see below), whose sum is σ = 334317110400. Its totient is φ = 40110969600.

The previous prime is 120343534049. The next prime is 120343534057. The reversal of 120343534056 is 650435343021.

120343534056 is a `hidden beast` number, since 1 + 203 + 43 + 5 + 3 + 405 + 6 = 666.

It is a super-2 number, since 2×120343534056² (a number of 23 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 120343534056.

It is not an unprimeable number, because it can be changed into a prime (120343534057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3803341 + ... + 3834851.

It is an arithmetic number, because the mean of its divisors is an integer number (5223704850).

Almost surely, 2^120343534056 is an apocalyptic number.

It is an amenable number.

120343534056 is an abundant number, since it is smaller than the sum of its proper divisors (213973576344).

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

120343534056 is a wasteful number, since it uses less digits than its factorization.

120343534056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49207 (or 49197 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 120343534056 its reverse (650435343021), we get a palindrome (770778877077).

The spelling of 120343534056 in words is "one hundred twenty billion, three hundred forty-three million, five hundred thirty-four thousand, fifty-six".