33145204321201 has 6 divisors (see below), whose sum is σ = 38556666251250. Its totient is φ = 28410175132416.

The previous prime is 33145204321193. The next prime is 33145204321249. The reversal of 33145204321201 is 10212340254133.

It can be written as a sum of positive squares in only one way, i.e., 33055611858801 + 89592462400 = 5749401^2 + 299320^2 .

It is not a de Polignac number, because 33145204321201 - 2³ = 33145204321193 is a prime.

It is a super-2 number, since 2×33145204321201² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33145204321261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338216370576 + ... + 338216370673.

It is an arithmetic number, because the mean of its divisors is an integer number (6426111041875).

Almost surely, 2^{33145204321201} is an apocalyptic number.

It is an amenable number.

33145204321201 is a deficient number, since it is larger than the sum of its proper divisors (5411461930049).

33145204321201 is an equidigital number, since it uses as much as digits as its factorization.

33145204321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676432741263 (or 676432741256 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 33145204321201 its reverse (10212340254133), we get a palindrome (43357544575334).

The spelling of 33145204321201 in words is "thirty-three trillion, one hundred forty-five billion, two hundred four million, three hundred twenty-one thousand, two hundred one".