12021113302001 has 4 divisors (see below), whose sum is σ = 12543770402112. Its totient is φ = 11498456201892.

The previous prime is 12021113301979. The next prime is 12021113302057. The reversal of 12021113302001 is 10020331112021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12021113302001 - 2²² = 12021109107697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12021113302091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261328550021 + ... + 261328550066.

It is an arithmetic number, because the mean of its divisors is an integer number (3135942600528).

Almost surely, 2^{12021113302001} is an apocalyptic number.

It is an amenable number.

12021113302001 is a deficient number, since it is larger than the sum of its proper divisors (522657100111).

12021113302001 is an equidigital number, since it uses as much as digits as its factorization.

12021113302001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522657100110.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12021113302001 its reverse (10020331112021), we get a palindrome (22041444414022).

The spelling of 12021113302001 in words is "twelve trillion, twenty-one billion, one hundred thirteen million, three hundred two thousand, one".