1319212543612 has 6 divisors (see below), whose sum is σ = 2308621951328. Its totient is φ = 659606271804.

The previous prime is 1319212543591. The next prime is 1319212543613. The reversal of 1319212543612 is 2163452129131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1319212543613) 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 as a sum of consecutive naturals, namely, 164901567948 + ... + 164901567955.

Almost surely, 2^{1319212543612} is an apocalyptic number.

It is an amenable number.

1319212543612 is a deficient number, since it is larger than the sum of its proper divisors (989409407716).

1319212543612 is a wasteful number, since it uses less digits than its factorization.

1319212543612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329803135907 (or 329803135905 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The spelling of 1319212543612 in words is "one trillion, three hundred nineteen billion, two hundred twelve million, five hundred forty-three thousand, six hundred twelve".