1323120012201 has 96 divisors (see below), whose sum is σ = 2296352298240. Its totient is φ = 725239775232.

The previous prime is 1323120012197. The next prime is 1323120012211. The reversal of 1323120012201 is 1022100213231.

1323120012201 is a `hidden beast` number, since 1 + 323 + 120 + 0 + 1 + 220 + 1 = 666.

It is not a de Polignac number, because 1323120012201 - 2² = 1323120012197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323120012211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37130745 + ... + 37166361.

It is an arithmetic number, because the mean of its divisors is an integer number (23920336440).

Almost surely, 2^{1323120012201} is an apocalyptic number.

It is an amenable number.

1323120012201 is a deficient number, since it is larger than the sum of its proper divisors (973232286039).

1323120012201 is a wasteful number, since it uses less digits than its factorization.

1323120012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36655 (or 36652 counting only the distinct ones).

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

Adding to 1323120012201 its reverse (1022100213231), we get a palindrome (2345220225432).

The spelling of 1323120012201 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, twelve thousand, two hundred one".