13226211780 has 48 divisors (see below), whose sum is σ = 37121429184. Its totient is φ = 3518605440.

The previous prime is 13226211773. The next prime is 13226211781. The reversal of 13226211780 is 8711262231.

It is not an unprimeable number, because it can be changed into a prime (13226211781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236542 + ... + 287061.

It is an arithmetic number, because the mean of its divisors is an integer number (773363108).

Almost surely, 2^13226211780 is an apocalyptic number.

13226211780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13226211780 is an abundant number, since it is smaller than the sum of its proper divisors (23895217404).

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

13226211780 is a wasteful number, since it uses less digits than its factorization.

13226211780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524036 (or 524034 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 13226211780 in words is "thirteen billion, two hundred twenty-six million, two hundred eleven thousand, seven hundred eighty".