13211201220000 has 1920 divisors, whose sum is σ = 53961126912000. Its totient is φ = 2762035200000.

The previous prime is 13211201219999. The next prime is 13211201220101. The reversal of 13211201220000 is 2210211231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 48749819865 + ... + 48749820135.

It is an arithmetic number, because the mean of its divisors is an integer number (28104753600).

Almost surely, 2^{13211201220000} is an apocalyptic number.

13211201220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13211201220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26980563456000).

13211201220000 is an abundant number, since it is smaller than the sum of its proper divisors (40749925692000).

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

13211201220000 is a wasteful number, since it uses less digits than its factorization.

13211201220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 497 counting only the distinct ones).

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

Adding to 13211201220000 its reverse (2210211231), we get a palindrome (13213411431231).

The spelling of 13211201220000 in words is "thirteen trillion, two hundred eleven billion, two hundred one million, two hundred twenty thousand".