21232002123201 has 8 divisors (see below), whose sum is σ = 28627418593440. Its totient is φ = 13995626867552.

The previous prime is 21232002123133. The next prime is 21232002123223. The reversal of 21232002123201 is 10232120023212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21232002123201 is a prime.

It is a super-2 number, since 2×21232002123201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21232002123301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39760303335 + ... + 39760303868.

It is an arithmetic number, because the mean of its divisors is an integer number (3578427324180).

Almost surely, 2^{21232002123201} is an apocalyptic number.

It is an amenable number.

21232002123201 is a deficient number, since it is larger than the sum of its proper divisors (7395416470239).

21232002123201 is an equidigital number, since it uses as much as digits as its factorization.

21232002123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79520607295.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21232002123201 its reverse (10232120023212), we get a palindrome (31464122146413).

The spelling of 21232002123201 in words is "twenty-one trillion, two hundred thirty-two billion, two million, one hundred twenty-three thousand, two hundred one".