321412122 has 24 divisors (see below), whose sum is σ = 697780980. Its totient is φ = 106923840.

The previous prime is 321412121. The next prime is 321412129. The reversal of 321412122 is 221214123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 278522721 + 42889401 = 16689^2 + 6549^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 321412095 and 321412104.

It is not an unprimeable number, because it can be changed into a prime (321412121) 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, 8379 + ... + 26702.

Almost surely, 2^321412122 is an apocalyptic number.

321412122 is an abundant number, since it is smaller than the sum of its proper divisors (376368858).

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

321412122 is a wasteful number, since it uses less digits than its factorization.

321412122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35598 (or 35595 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 321412122 is about 17927.9703815016. The cubic root of 321412122 is about 684.9950250940.

Adding to 321412122 its reverse (221214123), we get a palindrome (542626245).

The spelling of 321412122 in words is "three hundred twenty-one million, four hundred twelve thousand, one hundred twenty-two".