1405311343412 has 12 divisors (see below), whose sum is σ = 2460291744960. Its totient is φ = 702370844856.

The previous prime is 1405311343369. The next prime is 1405311343421. The reversal of 1405311343412 is 2143431135041.

It is a congruent number.

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, 71195612 + ... + 71215347.

It is an arithmetic number, because the mean of its divisors is an integer number (205024312080).

Almost surely, 2^{1405311343412} is an apocalyptic number.

It is an amenable number.

1405311343412 is a deficient number, since it is larger than the sum of its proper divisors (1054980401548).

1405311343412 is a wasteful number, since it uses less digits than its factorization.

1405311343412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142413430 (or 142413428 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 1405311343412 its reverse (2143431135041), we get a palindrome (3548742478453).

The spelling of 1405311343412 in words is "one trillion, four hundred five billion, three hundred eleven million, three hundred forty-three thousand, four hundred twelve".