1312400433404 has 12 divisors (see below), whose sum is σ = 2297741417664. Its totient is φ = 655902885504.

The previous prime is 1312400433403. The next prime is 1312400433433. The reversal of 1312400433404 is 4043340042131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312400433403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74322869 + ... + 74340524.

It is an arithmetic number, because the mean of its divisors is an integer number (191478451472).

Almost surely, 2^{1312400433404} is an apocalyptic number.

It is an amenable number.

1312400433404 is a deficient number, since it is larger than the sum of its proper divisors (985340984260).

1312400433404 is a wasteful number, since it uses less digits than its factorization.

1312400433404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148665604 (or 148665602 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1312400433404 its reverse (4043340042131), we get a palindrome (5355740475535).

The spelling of 1312400433404 in words is "one trillion, three hundred twelve billion, four hundred million, four hundred thirty-three thousand, four hundred four".