13112420212 has 24 divisors (see below), whose sum is σ = 24302383560. Its totient is φ = 6169067520.

The previous prime is 13112420147. The next prime is 13112420219. The reversal of 13112420212 is 21202421131.

It can be written as a sum of positive squares in 4 ways, for example, as 506520036 + 12605900176 = 22506^2 + 112276^2 .

It is a super-2 number, since 2×13112420212² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13112420212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112420219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 293364 + ... + 335092.

It is an arithmetic number, because the mean of its divisors is an integer number (1012599315).

Almost surely, 2^13112420212 is an apocalyptic number.

It is an amenable number.

13112420212 is a deficient number, since it is larger than the sum of its proper divisors (11189963348).

13112420212 is a wasteful number, since it uses less digits than its factorization.

13112420212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46371 (or 46369 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13112420212 its reverse (21202421131), we get a palindrome (34314841343).

The spelling of 13112420212 in words is "thirteen billion, one hundred twelve million, four hundred twenty thousand, two hundred twelve".