12120221110001 has 8 divisors (see below), whose sum is σ = 12160109221344. Its totient is φ = 12080398337280.

The previous prime is 12120221109977. The next prime is 12120221110013. The reversal of 12120221110001 is 10001112202121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120221110001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120221110061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15963035 + ... + 16705056.

It is an arithmetic number, because the mean of its divisors is an integer number (1520013652668).

Almost surely, 2^{12120221110001} is an apocalyptic number.

It is an amenable number.

12120221110001 is a deficient number, since it is larger than the sum of its proper divisors (39888111343).

12120221110001 is an equidigital number, since it uses as much as digits as its factorization.

12120221110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32669311.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12120221110001 its reverse (10001112202121), we get a palindrome (22121333312122).

The spelling of 12120221110001 in words is "twelve trillion, one hundred twenty billion, two hundred twenty-one million, one hundred ten thousand, one".