13203012100000 has 72 divisors (see below), whose sum is σ = 32489708361516. Its totient is φ = 5281204800000.

The previous prime is 13203012099973. The next prime is 13203012100049. The reversal of 13203012100000 is 121030231.

It can be written as a sum of positive squares in 6 ways, for example, as 309540900496 + 12893471199504 = 556364^2 + 3590748^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65915061 + ... + 66115060.

Almost surely, 2^{13203012100000} is an apocalyptic number.

13203012100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13203012100000 is an abundant number, since it is smaller than the sum of its proper divisors (19286696261516).

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

13203012100000 is an frugal number, since it uses more digits than its factorization.

13203012100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132030156 (or 132030128 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13203012100000 its reverse (121030231), we get a palindrome (13203133130231).

The spelling of 13203012100000 in words is "thirteen trillion, two hundred three billion, twelve million, one hundred thousand".