13203203201100 has 108 divisors (see below), whose sum is σ = 45146953040280. Its totient is φ = 3200776531200.

The previous prime is 13203203201017. The next prime is 13203203201113. The reversal of 13203203201100 is 110230230231.

13203203201100 is a `hidden beast` number, since 1 + 3 + 20 + 320 + 320 + 1 + 1 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 666818545 + ... + 666838344.

Almost surely, 2^{13203203201100} is an apocalyptic number.

13203203201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13203203201100 is an abundant number, since it is smaller than the sum of its proper divisors (31943749839180).

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

13203203201100 is a wasteful number, since it uses less digits than its factorization.

13203203201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333656920 (or 1333656910 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13203203201100 its reverse (110230230231), we get a palindrome (13313433431331).

The spelling of 13203203201100 in words is "thirteen trillion, two hundred three billion, two hundred three million, two hundred one thousand, one hundred".