21233001212333 has 8 divisors (see below), whose sum is σ = 21437381570808. Its totient is φ = 21029336722944.

The previous prime is 21233001212257. The next prime is 21233001212341. The reversal of 21233001212333 is 33321210033212.

It can be written as a sum of positive squares in 4 ways, for example, as 3741853065769 + 17491148146564 = 1934387^2 + 4182242^2 .

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 21233001212333 - 2¹⁴ = 21233001195949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233001212833) 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, 178907666 + ... + 179026307.

It is an arithmetic number, because the mean of its divisors is an integer number (2679672696351).

Almost surely, 2^{21233001212333} is an apocalyptic number.

It is an amenable number.

21233001212333 is a deficient number, since it is larger than the sum of its proper divisors (204380358475).

21233001212333 is a wasteful number, since it uses less digits than its factorization.

21233001212333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357934543.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21233001212333 its reverse (33321210033212), we get a palindrome (54554211245545).

The spelling of 21233001212333 in words is "twenty-one trillion, two hundred thirty-three billion, one million, two hundred twelve thousand, three hundred thirty-three".