1330012012221 has 48 divisors (see below), whose sum is σ = 2026991296512. Its totient is φ = 838724436000.

The previous prime is 1330012012201. The next prime is 1330012012253. The reversal of 1330012012221 is 1222102100331.

1330012012221 is a `hidden beast` number, since 13 + 300 + 120 + 12 + 221 = 666.

It is not a de Polignac number, because 1330012012221 - 2⁹ = 1330012011709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1330012012194 and 1330012012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330012012201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6874906 + ... + 7065716.

It is an arithmetic number, because the mean of its divisors is an integer number (42228985344).

Almost surely, 2^{1330012012221} is an apocalyptic number.

It is an amenable number.

1330012012221 is a deficient number, since it is larger than the sum of its proper divisors (696979284291).

1330012012221 is a wasteful number, since it uses less digits than its factorization.

1330012012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191214 (or 191211 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1330012012221 its reverse (1222102100331), we get a palindrome (2552114112552).

The spelling of 1330012012221 in words is "one trillion, three hundred thirty billion, twelve million, twelve thousand, two hundred twenty-one".