13011211222 has 16 divisors (see below), whose sum is σ = 20709140400. Its totient is φ = 6109804288.

The previous prime is 13011211211. The next prime is 13011211247. The reversal of 13011211222 is 22211211031.

It is a junction number, because it is equal to n+sod(n) for n = 13011211196 and 13011211205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393847 + ... + 425602.

It is an arithmetic number, because the mean of its divisors is an integer number (1294321275).

Almost surely, 2^13011211222 is an apocalyptic number.

13011211222 is a deficient number, since it is larger than the sum of its proper divisors (7697929178).

13011211222 is a wasteful number, since it uses less digits than its factorization.

13011211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819935.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 13011211222 its reverse (22211211031), we get a palindrome (35222422253).

The spelling of 13011211222 in words is "thirteen billion, eleven million, two hundred eleven thousand, two hundred twenty-two".