13023112012221 has 8 divisors (see below), whose sum is σ = 17924283199744. Its totient is φ = 8402007749760.

The previous prime is 13023112012103. The next prime is 13023112012243. The reversal of 13023112012221 is 12221021132031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13023112012221 - 2¹³ = 13023112004029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023112016221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70016731156 + ... + 70016731341.

It is an arithmetic number, because the mean of its divisors is an integer number (2240535399968).

Almost surely, 2^{13023112012221} is an apocalyptic number.

It is an amenable number.

13023112012221 is a deficient number, since it is larger than the sum of its proper divisors (4901171187523).

13023112012221 is a wasteful number, since it uses less digits than its factorization.

13023112012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140033462531.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13023112012221 its reverse (12221021132031), we get a palindrome (25244133144252).

The spelling of 13023112012221 in words is "thirteen trillion, twenty-three billion, one hundred twelve million, twelve thousand, two hundred twenty-one".