13311012212 has 6 divisors (see below), whose sum is σ = 23294271378. Its totient is φ = 6655506104.

The previous prime is 13311012199. The next prime is 13311012227. The reversal of 13311012212 is 21221011331.

It can be written as a sum of positive squares in only one way, i.e., 8887964176 + 4423048036 = 94276^2 + 66506^2 .

It is a super-2 number, since 2×13311012212² (a number of 21 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 1663876523 + ... + 1663876530.

It is an arithmetic number, because the mean of its divisors is an integer number (3882378563).

Almost surely, 2^13311012212 is an apocalyptic number.

It is an amenable number.

13311012212 is a deficient number, since it is larger than the sum of its proper divisors (9983259166).

13311012212 is a wasteful number, since it uses less digits than its factorization.

13311012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327753057 (or 3327753055 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13311012212 its reverse (21221011331), we get a palindrome (34532023543).

The spelling of 13311012212 in words is "thirteen billion, three hundred eleven million, twelve thousand, two hundred twelve".