120112101211005 has 48 divisors (see below), whose sum is σ = 212124755456640. Its totient is φ = 62850444768384.

The previous prime is 120112101211001. The next prime is 120112101211051. The reversal of 120112101211005 is 500112101211021.

It is a happy number.

It is not a de Polignac number, because 120112101211005 - 2² = 120112101211001 is a prime.

It is a super-2 number, since 2×120112101211005² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112101211001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290856682 + ... + 291269348.

It is an arithmetic number, because the mean of its divisors is an integer number (4419265738680).

Almost surely, 2^{120112101211005} is an apocalyptic number.

120112101211005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120112101211005 is a deficient number, since it is larger than the sum of its proper divisors (92012654245635).

120112101211005 is a wasteful number, since it uses less digits than its factorization.

120112101211005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534770 (or 534767 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 18.

Adding to 120112101211005 its reverse (500112101211021), we get a palindrome (620224202422026).

The spelling of 120112101211005 in words is "one hundred twenty trillion, one hundred twelve billion, one hundred one million, two hundred eleven thousand, five".