321214211210020 has 12 divisors (see below), whose sum is σ = 674549843541084. Its totient is φ = 128485684484000.

The previous prime is 321214211209999. The next prime is 321214211210129. The reversal of 321214211210020 is 20012112412123.

It can be written as a sum of positive squares in 2 ways, for example, as 109863267738624 + 211350943471396 = 10481568^2 + 14537914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321214211209973 and 321214211210000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8030355280231 + ... + 8030355280270.

It is an arithmetic number, because the mean of its divisors is an integer number (56212486961757).

Almost surely, 2^{321214211210020} is an apocalyptic number.

It is an amenable number.

321214211210020 is an abundant number, since it is smaller than the sum of its proper divisors (353335632331064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321214211210020 is a wasteful number, since it uses less digits than its factorization.

321214211210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16060710560510 (or 16060710560508 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 321214211210020 its reverse (20012112412123), we get a palindrome (341226323622143).

The spelling of 321214211210020 in words is "three hundred twenty-one trillion, two hundred fourteen billion, two hundred eleven million, two hundred ten thousand, twenty".