13221341370 has 128 divisors (see below), whose sum is σ = 35887484160. Its totient is φ = 3463200000.

The previous prime is 13221341369. The next prime is 13221341389. The reversal of 13221341370 is 7314312231.

It is a happy number.

13221341370 is a `hidden beast` number, since 1 + 32 + 213 + 413 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3570520 + ... + 3574220.

It is an arithmetic number, because the mean of its divisors is an integer number (280370970).

Almost surely, 2^13221341370 is an apocalyptic number.

13221341370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13221341370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17943742080).

13221341370 is an abundant number, since it is smaller than the sum of its proper divisors (22666142790).

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

13221341370 is a wasteful number, since it uses less digits than its factorization.

13221341370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949 (or 3943 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The spelling of 13221341370 in words is "thirteen billion, two hundred twenty-one million, three hundred forty-one thousand, three hundred seventy".