13211320001200 has 30 divisors (see below), whose sum is σ = 31740196303844. Its totient is φ = 5284528000320.

The previous prime is 13211320001183. The next prime is 13211320001221. The reversal of 13211320001200 is 210002311231.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16514149602 + ... + 16514150401.

Almost surely, 2^{13211320001200} is an apocalyptic number.

13211320001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13211320001200 is an abundant number, since it is smaller than the sum of its proper divisors (18528876302644).

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

13211320001200 is a wasteful number, since it uses less digits than its factorization.

13211320001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33028300021 (or 33028300010 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13211320001200 its reverse (210002311231), we get a palindrome (13421322312431).

The spelling of 13211320001200 in words is "thirteen trillion, two hundred eleven billion, three hundred twenty million, one thousand, two hundred".