13313220212 has 6 divisors (see below), whose sum is σ = 23298135378. Its totient is φ = 6656610104.

The previous prime is 13313220199. The next prime is 13313220281. The reversal of 13313220212 is 21202231331.

It can be written as a sum of positive squares in only one way, i.e., 13180417636 + 132802576 = 114806^2 + 11524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1664152523 + ... + 1664152530.

It is an arithmetic number, because the mean of its divisors is an integer number (3883022563).

Almost surely, 2^13313220212 is an apocalyptic number.

It is an amenable number.

13313220212 is a deficient number, since it is larger than the sum of its proper divisors (9984915166).

13313220212 is a wasteful number, since it uses less digits than its factorization.

13313220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328305057 (or 3328305055 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13313220212 its reverse (21202231331), we get a palindrome (34515451543).

The spelling of 13313220212 in words is "thirteen billion, three hundred thirteen million, two hundred twenty thousand, two hundred twelve".