321130210120010 has 24 divisors (see below), whose sum is σ = 584602121579436. Its totient is φ = 127008802173440.

The previous prime is 321130210120003. The next prime is 321130210120067. The reversal of 321130210120010 is 10021012031123.

It can be written as a sum of positive squares in 6 ways, for example, as 59642520242449 + 261487689877561 = 7722857^2 + 16170581^2 .

It is a super-2 number, since 2×321130210120010² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2027002031 + ... + 2027160450.

Almost surely, 2^{321130210120010} is an apocalyptic number.

321130210120010 is a deficient number, since it is larger than the sum of its proper divisors (263471911459426).

321130210120010 is an equidigital number, since it uses as much as digits as its factorization.

321130210120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054162666 (or 4054162577 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 321130210120010 its reverse (10021012031123), we get a palindrome (331151222151133).

The spelling of 321130210120010 in words is "three hundred twenty-one trillion, one hundred thirty billion, two hundred ten million, one hundred twenty thousand, ten".