13012221022 has 16 divisors (see below), whose sum is σ = 21754178640. Its totient is φ = 5801113728.

The previous prime is 13012221007. The next prime is 13012221031. The reversal of 13012221022 is 22012221031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13012220987 and 13012221005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10070733 + ... + 10072024.

It is an arithmetic number, because the mean of its divisors is an integer number (1359636165).

Almost surely, 2^13012221022 is an apocalyptic number.

13012221022 is a deficient number, since it is larger than the sum of its proper divisors (8741957618).

13012221022 is a wasteful number, since it uses less digits than its factorization.

13012221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20142795.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13012221022 its reverse (22012221031), we get a palindrome (35024442053).

Subtracting 13012221022 from its reverse (22012221031), we obtain a palindrome (9000000009).

The spelling of 13012221022 in words is "thirteen billion, twelve million, two hundred twenty-one thousand, twenty-two".