120500000000071 has 4 divisors (see below), whose sum is σ = 123302325581512. Its totient is φ = 117697674418632.

The previous prime is 120500000000069. The next prime is 120500000000117. The reversal of 120500000000071 is 170000000005021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120500000000071 - 2¹ = 120500000000069 is a prime.

It is a super-2 number, since 2×120500000000071² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120499999999973 and 120500000000054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120500000000041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401162790656 + ... + 1401162790741.

It is an arithmetic number, because the mean of its divisors is an integer number (30825581395378).

Almost surely, 2^{120500000000071} is an apocalyptic number.

120500000000071 is a deficient number, since it is larger than the sum of its proper divisors (2802325581441).

120500000000071 is an equidigital number, since it uses as much as digits as its factorization.

120500000000071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802325581440.

The product of its (nonzero) digits is 70, while the sum is 16.

Adding to 120500000000071 its reverse (170000000005021), we get a palindrome (290500000005092).

The spelling of 120500000000071 in words is "one hundred twenty trillion, five hundred billion, seventy-one", and thus it is an aban number.