12121131332301 has 4 divisors (see below), whose sum is σ = 16161508443072. Its totient is φ = 8080754221532.

The previous prime is 12121131332287. The next prime is 12121131332339. The reversal of 12121131332301 is 10323313112121.

12121131332301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12121131332301 - 2⁵ = 12121131332269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121131332351) 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, 2020188555381 + ... + 2020188555386.

It is an arithmetic number, because the mean of its divisors is an integer number (4040377110768).

Almost surely, 2^{12121131332301} is an apocalyptic number.

It is an amenable number.

12121131332301 is a deficient number, since it is larger than the sum of its proper divisors (4040377110771).

12121131332301 is an equidigital number, since it uses as much as digits as its factorization.

12121131332301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040377110770.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12121131332301 its reverse (10323313112121), we get a palindrome (22444444444422).

The spelling of 12121131332301 in words is "twelve trillion, one hundred twenty-one billion, one hundred thirty-one million, three hundred thirty-two thousand, three hundred one".