321200321212011 has 32 divisors (see below), whose sum is σ = 455229936571968. Its totient is φ = 200750518108160.

The previous prime is 321200321212009. The next prime is 321200321212021. The reversal of 321200321212011 is 110212123002123.

It is a cyclic number.

It is not a de Polignac number, because 321200321212011 - 2¹ = 321200321212009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321200321212021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1412047561 + ... + 1412275013.

It is an arithmetic number, because the mean of its divisors is an integer number (14225935517874).

Almost surely, 2^{321200321212011} is an apocalyptic number.

321200321212011 is a deficient number, since it is larger than the sum of its proper divisors (134029615359957).

321200321212011 is a wasteful number, since it uses less digits than its factorization.

321200321212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335471.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 321200321212011 its reverse (110212123002123), we get a palindrome (431412444214134).

The spelling of 321200321212011 in words is "three hundred twenty-one trillion, two hundred billion, three hundred twenty-one million, two hundred twelve thousand, eleven".