13200212121 has 8 divisors (see below), whose sum is σ = 17606407680. Its totient is φ = 8797078992.

The previous prime is 13200212099. The next prime is 13200212159. The reversal of 13200212121 is 12121200231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13200212121 - 2⁵ = 13200212089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13200212121.

It is not an unprimeable number, because it can be changed into a prime (13200212191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755530 + ... + 772803.

It is an arithmetic number, because the mean of its divisors is an integer number (2200800960).

Almost surely, 2^13200212121 is an apocalyptic number.

It is an amenable number.

13200212121 is a deficient number, since it is larger than the sum of its proper divisors (4406195559).

13200212121 is a wasteful number, since it uses less digits than its factorization.

13200212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531215.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13200212121 its reverse (12121200231), we get a palindrome (25321412352).

The spelling of 13200212121 in words is "thirteen billion, two hundred million, two hundred twelve thousand, one hundred twenty-one".