13121013311299 has 16 divisors (see below), whose sum is σ = 13378719594240. Its totient is φ = 12865820405760.

The previous prime is 13121013311249. The next prime is 13121013311359. The reversal of 13121013311299 is 99211331012131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13121013311299 - 2¹⁷ = 13121013180227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121013311249) 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, 249845454 + ... + 249897964.

It is an arithmetic number, because the mean of its divisors is an integer number (836169974640).

Almost surely, 2^{13121013311299} is an apocalyptic number.

13121013311299 is a deficient number, since it is larger than the sum of its proper divisors (257706282941).

13121013311299 is a wasteful number, since it uses less digits than its factorization.

13121013311299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76350.

The product of its (nonzero) digits is 8748, while the sum is 37.

The spelling of 13121013311299 in words is "thirteen trillion, one hundred twenty-one billion, thirteen million, three hundred eleven thousand, two hundred ninety-nine".