21212332132201 has 8 divisors (see below), whose sum is σ = 24549534475520. Its totient is φ = 17951847084288.

The previous prime is 21212332132183. The next prime is 21212332132217. The reversal of 21212332132201 is 10223123321212.

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

It is a cyclic number.

It is not a de Polignac number, because 21212332132201 - 2²³ = 21212323743593 is a prime.

It is a super-2 number, since 2×21212332132201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21212332132501) 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, 19179323256 + ... + 19179324361.

It is an arithmetic number, because the mean of its divisors is an integer number (3068691809440).

Almost surely, 2^{21212332132201} is an apocalyptic number.

It is an amenable number.

21212332132201 is a deficient number, since it is larger than the sum of its proper divisors (3337202343319).

21212332132201 is an equidigital number, since it uses as much as digits as its factorization.

21212332132201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38358647703.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21212332132201 its reverse (10223123321212), we get a palindrome (31435455453413).

The spelling of 21212332132201 in words is "twenty-one trillion, two hundred twelve billion, three hundred thirty-two million, one hundred thirty-two thousand, two hundred one".