120127312081 has 16 divisors (see below), whose sum is σ = 140654360448. Its totient is φ = 100442390400.

The previous prime is 120127312061. The next prime is 120127312091. The reversal of 120127312081 is 180213721021.

It is not a de Polignac number, because 120127312081 - 2⁹ = 120127311569 is a prime.

It is a super-2 number, since 2×120127312081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120127312051) 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, 2826811 + ... + 2868991.

It is an arithmetic number, because the mean of its divisors is an integer number (8790897528).

Almost surely, 2^120127312081 is an apocalyptic number.

It is an amenable number.

120127312081 is a deficient number, since it is larger than the sum of its proper divisors (20527048367).

120127312081 is an equidigital number, since it uses as much as digits as its factorization.

120127312081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52152.

The product of its (nonzero) digits is 1344, while the sum is 28.

The spelling of 120127312081 in words is "one hundred twenty billion, one hundred twenty-seven million, three hundred twelve thousand, eighty-one".