323212021130145 has 64 divisors (see below), whose sum is σ = 636040650364416. Its totient is φ = 136782935470080.

The previous prime is 323212021130143. The next prime is 323212021130149. The reversal of 323212021130145 is 541031120212323.

It is not a de Polignac number, because 323212021130145 - 2¹ = 323212021130143 is a prime.

It is a super-3 number, since 3×323212021130145³ (a number of 45 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (323212021130143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1484080954 + ... + 1484298723.

It is an arithmetic number, because the mean of its divisors is an integer number (9938135161944).

Almost surely, 2^{323212021130145} is an apocalyptic number.

323212021130145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

323212021130145 is a deficient number, since it is larger than the sum of its proper divisors (312828629234271).

323212021130145 is a wasteful number, since it uses less digits than its factorization.

323212021130145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968379770.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 323212021130145 its reverse (541031120212323), we get a palindrome (864243141342468).

The spelling of 323212021130145 in words is "three hundred twenty-three trillion, two hundred twelve billion, twenty-one million, one hundred thirty thousand, one hundred forty-five".