12121002023301 has 16 divisors (see below), whose sum is σ = 17957245094400. Its totient is φ = 8080575738624.

The previous prime is 12121002023297. The next prime is 12121002023321. The reversal of 12121002023301 is 10332020012121.

12121002023301 is a `hidden beast` number, since 1 + 212 + 100 + 20 + 2 + 330 + 1 = 666.

It is not a de Polignac number, because 12121002023301 - 2² = 12121002023297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121002023321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112476 + ... + 4924901.

It is an arithmetic number, because the mean of its divisors is an integer number (1122327818400).

Almost surely, 2^{12121002023301} is an apocalyptic number.

It is an amenable number.

12121002023301 is a deficient number, since it is larger than the sum of its proper divisors (5836243071099).

12121002023301 is an equidigital number, since it uses as much as digits as its factorization.

12121002023301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126505 (or 5126499 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12121002023301 its reverse (10332020012121), we get a palindrome (22453022035422).

The spelling of 12121002023301 in words is "twelve trillion, one hundred twenty-one billion, two million, twenty-three thousand, three hundred one".