13013222212 has 6 divisors (see below), whose sum is σ = 22773138878. Its totient is φ = 6506611104.

The previous prime is 13013222207. The next prime is 13013222219. The reversal of 13013222212 is 21222231031.

It can be written as a sum of positive squares in only one way, i.e., 9425691396 + 3587530816 = 97086^2 + 59896^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13013222212.

It is not an unprimeable number, because it can be changed into a prime (13013222219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626652773 + ... + 1626652780.

Almost surely, 2^13013222212 is an apocalyptic number.

It is an amenable number.

13013222212 is a deficient number, since it is larger than the sum of its proper divisors (9759916666).

13013222212 is a wasteful number, since it uses less digits than its factorization.

13013222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253305557 (or 3253305555 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13013222212 its reverse (21222231031), we get a palindrome (34235453243).

It can be divided in two parts, 13013 and 222212, that added together give a square (235225 = 485²).

The spelling of 13013222212 in words is "thirteen billion, thirteen million, two hundred twenty-two thousand, two hundred twelve".