120111103012 has 12 divisors (see below), whose sum is σ = 210650386716. Its totient is φ = 59925278240.

The previous prime is 120111102997. The next prime is 120111103039. The reversal of 120111103012 is 210301111021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16797715236 + 103313387776 = 129606^2 + 321424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120111102983 and 120111103001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32566243 + ... + 32569930.

It is an arithmetic number, because the mean of its divisors is an integer number (17554198893).

Almost surely, 2^120111103012 is an apocalyptic number.

It is an amenable number.

120111103012 is a deficient number, since it is larger than the sum of its proper divisors (90539283704).

120111103012 is a wasteful number, since it uses less digits than its factorization.

120111103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65136638 (or 65136636 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 120111103012 its reverse (210301111021), we get a palindrome (330412214033).

The spelling of 120111103012 in words is "one hundred twenty billion, one hundred eleven million, one hundred three thousand, twelve".