20123122001313 has 16 divisors (see below), whose sum is σ = 26968250620800. Its totient is φ = 13346716990464.

The previous prime is 20123122001287. The next prime is 20123122001347. The reversal of 20123122001313 is 31310022132102.

It is not a de Polignac number, because 20123122001313 - 2⁸ = 20123122001057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20123122001313.

It is not an unprimeable number, because it can be changed into a prime (20123122001393) 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, 4613095 + ... + 7843907.

It is an arithmetic number, because the mean of its divisors is an integer number (1685515663800).

Almost surely, 2^{20123122001313} is an apocalyptic number.

It is an amenable number.

20123122001313 is a deficient number, since it is larger than the sum of its proper divisors (6845128619487).

20123122001313 is a wasteful number, since it uses less digits than its factorization.

20123122001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241448.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20123122001313 its reverse (31310022132102), we get a palindrome (51433144133415).

The spelling of 20123122001313 in words is "twenty trillion, one hundred twenty-three billion, one hundred twenty-two million, one thousand, three hundred thirteen".