13213200000064 has 14 divisors (see below), whose sum is σ = 26219943750254. Its totient is φ = 6606600000000.

The previous prime is 13213199999999. The next prime is 13213200000103. The reversal of 13213200000064 is 46000000231231.

It can be written as a sum of positive squares in only one way, i.e., 8427641241600 + 4785558758464 = 2903040^2 + 2187592^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13213199999990 and 13213200000044.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103228124937 + ... + 103228125064.

Almost surely, 2^{13213200000064} is an apocalyptic number.

It is an amenable number.

13213200000064 is a deficient number, since it is larger than the sum of its proper divisors (13006743750190).

13213200000064 is an equidigital number, since it uses as much as digits as its factorization.

13213200000064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206456250013 (or 206456250003 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13213200000064 its reverse (46000000231231), we get a palindrome (59213200231295).

The spelling of 13213200000064 in words is "thirteen trillion, two hundred thirteen billion, two hundred million, sixty-four", and thus it is an aban number.