12210312212033 has 4 divisors (see below), whose sum is σ = 13149566997588. Its totient is φ = 11271057426480.

The previous prime is 12210312212029. The next prime is 12210312212041. The reversal of 12210312212033 is 33021221301221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3606227586049 + 8604084625984 = 1899007^2 + 2933272^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210312212033 - 2² = 12210312212029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210312272033) 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, 469627392758 + ... + 469627392783.

It is an arithmetic number, because the mean of its divisors is an integer number (3287391749397).

Almost surely, 2^{12210312212033} is an apocalyptic number.

12210312212033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12210312212033 is a deficient number, since it is larger than the sum of its proper divisors (939254785555).

12210312212033 is an equidigital number, since it uses as much as digits as its factorization.

12210312212033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939254785554.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12210312212033 its reverse (33021221301221), we get a palindrome (45231533513254).

The spelling of 12210312212033 in words is "twelve trillion, two hundred ten billion, three hundred twelve million, two hundred twelve thousand, thirty-three".