12121301013 has 16 divisors (see below), whose sum is σ = 16751188800. Its totient is φ = 7787212160.

The previous prime is 12121300999. The next prime is 12121301107. The reversal of 12121301013 is 31010312121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12121301013 - 2⁸ = 12121300757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12121300983 and 12121301001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121305013) 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, 88383 + ... + 179036.

It is an arithmetic number, because the mean of its divisors is an integer number (1046949300).

Almost surely, 2^12121301013 is an apocalyptic number.

It is an amenable number.

12121301013 is a deficient number, since it is larger than the sum of its proper divisors (4629887787).

12121301013 is a wasteful number, since it uses less digits than its factorization.

12121301013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267972.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12121301013 its reverse (31010312121), we get a palindrome (43131613134).

The spelling of 12121301013 in words is "twelve billion, one hundred twenty-one million, three hundred one thousand, thirteen".