1512044421343 has 16 divisors (see below), whose sum is σ = 1523747332000. Its totient is φ = 1500391734912.

The previous prime is 1512044421323. The next prime is 1512044421353. The reversal of 1512044421343 is 3431244402151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1512044421343 is a prime.

It is a super-2 number, since 2×1512044421343² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1512044421299 and 1512044421308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1512044421323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138599773 + ... + 138610681.

It is an arithmetic number, because the mean of its divisors is an integer number (95234208250).

Almost surely, 2^{1512044421343} is an apocalyptic number.

1512044421343 is a deficient number, since it is larger than the sum of its proper divisors (11702910657).

1512044421343 is a wasteful number, since it uses less digits than its factorization.

1512044421343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13114.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 1512044421343 its reverse (3431244402151), we get a palindrome (4943288823494).

The spelling of 1512044421343 in words is "one trillion, five hundred twelve billion, forty-four million, four hundred twenty-one thousand, three hundred forty-three".