120012122021201 has 4 divisors (see below), whose sum is σ = 120374696408304. Its totient is φ = 119649547634100.

The previous prime is 120012122021153. The next prime is 120012122021221. The reversal of 120012122021201 is 102120221210021.

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 not a de Polignac number, because 120012122021201 - 2⁶ = 120012122021137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120012122021201.

It is not an unprimeable number, because it can be changed into a prime (120012122021221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181287193055 + ... + 181287193716.

It is an arithmetic number, because the mean of its divisors is an integer number (30093674102076).

Almost surely, 2^{120012122021201} is an apocalyptic number.

It is an amenable number.

120012122021201 is a deficient number, since it is larger than the sum of its proper divisors (362574387103).

120012122021201 is an equidigital number, since it uses as much as digits as its factorization.

120012122021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362574387102.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120012122021201 its reverse (102120221210021), we get a palindrome (222132343231222).

The spelling of 120012122021201 in words is "one hundred twenty trillion, twelve billion, one hundred twenty-two million, twenty-one thousand, two hundred one".