120707706080021 has 4 divisors (see below), whose sum is σ = 120707760325152. Its totient is φ = 120707651834892.

The previous prime is 120707706079997. The next prime is 120707706080081. The reversal of 120707706080021 is 120080607707021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120707706080021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120707706080081) 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, 23635265 + ... + 28284998.

It is an arithmetic number, because the mean of its divisors is an integer number (30176940081288).

Almost surely, 2^{120707706080021} is an apocalyptic number.

It is an amenable number.

120707706080021 is a deficient number, since it is larger than the sum of its proper divisors (54245131).

120707706080021 is an equidigital number, since it uses as much as digits as its factorization.

120707706080021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54245130.

The product of its (nonzero) digits is 65856, while the sum is 41.

The spelling of 120707706080021 in words is "one hundred twenty trillion, seven hundred seven billion, seven hundred six million, eighty thousand, twenty-one".