13203154203312 has 20 divisors (see below), whose sum is σ = 34108148358680. Its totient is φ = 4401051401088.

The previous prime is 13203154203247. The next prime is 13203154203431. The reversal of 13203154203312 is 21330245130231.

It is a self number, because there is not a number n which added to its sum of digits gives 13203154203312.

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, 137532856237 + ... + 137532856332.

It is an arithmetic number, because the mean of its divisors is an integer number (1705407417934).

Almost surely, 2^{13203154203312} is an apocalyptic number.

13203154203312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13203154203312 is an abundant number, since it is smaller than the sum of its proper divisors (20904994155368).

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

13203154203312 is a wasteful number, since it uses less digits than its factorization.

13203154203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275065712580 (or 275065712574 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 13203154203312 its reverse (21330245130231), we get a palindrome (34533399333543).

The spelling of 13203154203312 in words is "thirteen trillion, two hundred three billion, one hundred fifty-four million, two hundred three thousand, three hundred twelve".