1321401234404 has 12 divisors (see below), whose sum is σ = 2327181155964. Its totient is φ = 656492332704.

The previous prime is 1321401234367. The next prime is 1321401234431. The reversal of 1321401234404 is 4044321041231.

It can be written as a sum of positive squares in 2 ways, for example, as 111295632100 + 1210105602304 = 333610^2 + 1100048^2 .

It is a super-2 number, since 2×1321401234404² (a number of 25 digits) contains 22 as substring.

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, 1052070419 + ... + 1052071674.

It is an arithmetic number, because the mean of its divisors is an integer number (193931762997).

Almost surely, 2^{1321401234404} is an apocalyptic number.

It is an amenable number.

1321401234404 is a deficient number, since it is larger than the sum of its proper divisors (1005779921560).

1321401234404 is a wasteful number, since it uses less digits than its factorization.

1321401234404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104142254 (or 2104142252 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1321401234404 its reverse (4044321041231), we get a palindrome (5365722275635).

The spelling of 1321401234404 in words is "one trillion, three hundred twenty-one billion, four hundred one million, two hundred thirty-four thousand, four hundred four".