120001112200001 has 4 divisors (see below), whose sum is σ = 121968343547604. Its totient is φ = 118033880852400.

The previous prime is 120001112199967. The next prime is 120001112200117. The reversal of 120001112200001 is 100002211100021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37621981272976 + 82379130927025 = 6133676^2 + 9076295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120001112200001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120001112200601) 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, 983615673710 + ... + 983615673831.

It is an arithmetic number, because the mean of its divisors is an integer number (30492085886901).

Almost surely, 2^{120001112200001} is an apocalyptic number.

It is an amenable number.

120001112200001 is a deficient number, since it is larger than the sum of its proper divisors (1967231347603).

120001112200001 is an equidigital number, since it uses as much as digits as its factorization.

120001112200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967231347602.

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

Adding to 120001112200001 its reverse (100002211100021), we get a palindrome (220003323300022).

The spelling of 120001112200001 in words is "one hundred twenty trillion, one billion, one hundred twelve million, two hundred thousand, one".