13068440212 has 6 divisors (see below), whose sum is σ = 22869770378. Its totient is φ = 6534220104.

The previous prime is 13068440183. The next prime is 13068440257. The reversal of 13068440212 is 21204486031.

It can be written as a sum of positive squares in only one way, i.e., 10891844496 + 2176595716 = 104364^2 + 46654^2 .

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, 1633555023 + ... + 1633555030.

Almost surely, 2^13068440212 is an apocalyptic number.

It is an amenable number.

13068440212 is a deficient number, since it is larger than the sum of its proper divisors (9801330166).

13068440212 is a wasteful number, since it uses less digits than its factorization.

13068440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267110057 (or 3267110055 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 13068440212 in words is "thirteen billion, sixty-eight million, four hundred forty thousand, two hundred twelve".