23012121021201 has 96 divisors (see below), whose sum is σ = 37639293269760. Its totient is φ = 13964222168064.

The previous prime is 23012121021161. The next prime is 23012121021233. The reversal of 23012121021201 is 10212012121032.

23012121021201 is a `hidden beast` number, since 230 + 1 + 2 + 1 + 210 + 21 + 201 = 666.

It is not a de Polignac number, because 23012121021201 - 2¹⁰ = 23012121020177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23012121121201) 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 95 ways as a sum of consecutive naturals, for example, 1459503820 + ... + 1459519586.

It is an arithmetic number, because the mean of its divisors is an integer number (392075971560).

Almost surely, 2^{23012121021201} is an apocalyptic number.

It is an amenable number.

23012121021201 is a deficient number, since it is larger than the sum of its proper divisors (14627172248559).

23012121021201 is a wasteful number, since it uses less digits than its factorization.

23012121021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22197 (or 22185 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 23012121021201 its reverse (10212012121032), we get a palindrome (33224133142233).

The spelling of 23012121021201 in words is "twenty-three trillion, twelve billion, one hundred twenty-one million, twenty-one thousand, two hundred one".