13131012222 has 40 divisors (see below), whose sum is σ = 29714549832. Its totient is φ = 4333662000.

The previous prime is 13131012217. The next prime is 13131012239. The reversal of 13131012222 is 22221013131.

13131012222 is a `hidden beast` number, since 131 + 310 + 1 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13131012195 and 13131012204.

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 19 ways as a sum of consecutive naturals, for example, 384904 + ... + 417627.

Almost surely, 2^13131012222 is an apocalyptic number.

13131012222 is an abundant number, since it is smaller than the sum of its proper divisors (16583537610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13131012222 is a wasteful number, since it uses less digits than its factorization.

13131012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802646 (or 802637 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13131012222 its reverse (22221013131), we get a palindrome (35352025353).

Subtracting 13131012222 from its reverse (22221013131), we obtain a palindrome (9090000909).

The spelling of 13131012222 in words is "thirteen billion, one hundred thirty-one million, twelve thousand, two hundred twenty-two".