12120322212001 has 4 divisors (see below), whose sum is σ = 12511300347904. Its totient is φ = 11729344076100.

The previous prime is 12120322211927. The next prime is 12120322212077. The reversal of 12120322212001 is 10021222302121.

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 12120322212001 - 2²⁷ = 12120187994273 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 12120322212001.

It is not an unprimeable number, because it can be changed into a prime (12120322282001) 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, 195489067905 + ... + 195489067966.

It is an arithmetic number, because the mean of its divisors is an integer number (3127825086976).

Almost surely, 2^{12120322212001} is an apocalyptic number.

It is an amenable number.

12120322212001 is a deficient number, since it is larger than the sum of its proper divisors (390978135903).

12120322212001 is an equidigital number, since it uses as much as digits as its factorization.

12120322212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390978135902.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12120322212001 its reverse (10021222302121), we get a palindrome (22141544514122).

The spelling of 12120322212001 in words is "twelve trillion, one hundred twenty billion, three hundred twenty-two million, two hundred twelve thousand, one".