13140243103212 has 18 divisors (see below), whose sum is σ = 33215614510988. Its totient is φ = 4380081034392.

The previous prime is 13140243103201. The next prime is 13140243103219. The reversal of 13140243103212 is 21230134204131.

13140243103212 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 24 + 310 + 321 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (13140243103219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182503376398 + ... + 182503376469.

Almost surely, 2^{13140243103212} is an apocalyptic number.

13140243103212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13140243103212 is an abundant number, since it is smaller than the sum of its proper divisors (20075371407776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13140243103212 is a wasteful number, since it uses less digits than its factorization.

13140243103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365006752877 (or 365006752872 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 13140243103212 its reverse (21230134204131), we get a palindrome (34370377307343).

The spelling of 13140243103212 in words is "thirteen trillion, one hundred forty billion, two hundred forty-three million, one hundred three thousand, two hundred twelve".