120001121012 has 48 divisors (see below), whose sum is σ = 223782593664. Its totient is φ = 56182896000.

The previous prime is 120001120937. The next prime is 120001121021. The reversal of 120001121012 is 210121100021.

It is a junction number, because it is equal to n+sod(n) for n = 120001120984 and 120001121002.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1133462 + ... + 1234802.

It is an arithmetic number, because the mean of its divisors is an integer number (4662137368).

Almost surely, 2^120001121012 is an apocalyptic number.

It is an amenable number.

120001121012 is a deficient number, since it is larger than the sum of its proper divisors (103781472652).

120001121012 is a wasteful number, since it uses less digits than its factorization.

120001121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101640 (or 101638 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120001121012 its reverse (210121100021), we get a palindrome (330122221033).

The spelling of 120001121012 in words is "one hundred twenty billion, one million, one hundred twenty-one thousand, twelve".