1421343112432 has 20 divisors (see below), whose sum is σ = 2761742985400. Its totient is φ = 708635245248.

The previous prime is 1421343112403. The next prime is 1421343112433. The reversal of 1421343112432 is 2342113431241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1421343112394 and 1421343112403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421343112433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127263678 + ... + 127274845.

It is an arithmetic number, because the mean of its divisors is an integer number (138087149270).

Almost surely, 2^{1421343112432} is an apocalyptic number.

It is an amenable number.

1421343112432 is a deficient number, since it is larger than the sum of its proper divisors (1340399872968).

1421343112432 is a wasteful number, since it uses less digits than its factorization.

1421343112432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254538880 (or 254538874 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

Adding to 1421343112432 its reverse (2342113431241), we get a palindrome (3763456543673).

The spelling of 1421343112432 in words is "one trillion, four hundred twenty-one billion, three hundred forty-three million, one hundred twelve thousand, four hundred thirty-two".