13221843379050 has 48 divisors (see below), whose sum is σ = 32790512924640. Its totient is φ = 3525788197440.

The previous prime is 13221843379037. The next prime is 13221843379153. The reversal of 13221843379050 is 5097334812231.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15947661 + ... + 16756239.

It is an arithmetic number, because the mean of its divisors is an integer number (683135685930).

Almost surely, 2^{13221843379050} is an apocalyptic number.

13221843379050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221843379050 is an abundant number, since it is smaller than the sum of its proper divisors (19568669545590).

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

13221843379050 is a wasteful number, since it uses less digits than its factorization.

13221843379050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917607 (or 917602 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 13221843379050 in words is "thirteen trillion, two hundred twenty-one billion, eight hundred forty-three million, three hundred seventy-nine thousand, fifty".