13140312212 has 12 divisors (see below), whose sum is σ = 23038055796. Its totient is φ = 6558010560.

The previous prime is 13140312193. The next prime is 13140312287. The reversal of 13140312212 is 21221304131.

It can be written as a sum of positive squares in 2 ways, for example, as 8874393616 + 4265918596 = 94204^2 + 65314^2 .

It is a super-3 number, since 3×13140312212³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3033953 + ... + 3038280.

It is an arithmetic number, because the mean of its divisors is an integer number (1919837983).

Almost surely, 2^13140312212 is an apocalyptic number.

It is an amenable number.

13140312212 is a deficient number, since it is larger than the sum of its proper divisors (9897743584).

13140312212 is a wasteful number, since it uses less digits than its factorization.

13140312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072778 (or 6072776 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13140312212 its reverse (21221304131), we get a palindrome (34361616343).

The spelling of 13140312212 in words is "thirteen billion, one hundred forty million, three hundred twelve thousand, two hundred twelve".