321012042010422 has 24 divisors (see below), whose sum is σ = 746844342637176. Its totient is φ = 91717726288608.

The previous prime is 321012042010421. The next prime is 321012042010447. The reversal of 321012042010422 is 224010240210123.

It is a super-2 number, since 2×321012042010422² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321012042010392 and 321012042010401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321012042010421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545938846663 + ... + 545938847250.

It is an arithmetic number, because the mean of its divisors is an integer number (31118514276549).

Almost surely, 2^{321012042010422} is an apocalyptic number.

321012042010422 is an abundant number, since it is smaller than the sum of its proper divisors (425832300626754).

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

321012042010422 is a wasteful number, since it uses less digits than its factorization.

321012042010422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091877693932 (or 1091877693925 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 321012042010422 its reverse (224010240210123), we get a palindrome (545022282220545).

The spelling of 321012042010422 in words is "three hundred twenty-one trillion, twelve billion, forty-two million, ten thousand, four hundred twenty-two".