13330221331212 has 48 divisors (see below), whose sum is σ = 34560049735680. Its totient is φ = 4443379254864.

The previous prime is 13330221331199. The next prime is 13330221331243. The reversal of 13330221331212 is 21213312203331.

13330221331212 is a `hidden beast` number, since 1 + 3 + 3 + 302 + 2 + 1 + 331 + 21 + 2 = 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 15 ways as a sum of consecutive naturals, for example, 24010753 + ... + 24559655.

It is an arithmetic number, because the mean of its divisors is an integer number (720001036160).

Almost surely, 2^{13330221331212} is an apocalyptic number.

13330221331212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13330221331212 is an abundant number, since it is smaller than the sum of its proper divisors (21229828404468).

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

13330221331212 is a wasteful number, since it uses less digits than its factorization.

13330221331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773779 (or 773771 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 13330221331212 its reverse (21213312203331), we get a palindrome (34543533534543).

The spelling of 13330221331212 in words is "thirteen trillion, three hundred thirty billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred twelve".