1213432004412 has 36 divisors (see below), whose sum is σ = 3072511869336. Its totient is φ = 403788269280.

The previous prime is 1213432004347. The next prime is 1213432004443. The reversal of 1213432004412 is 2144002343121.

1213432004412 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 43 + 200 + 4 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 28689639 + ... + 28731902.

It is an arithmetic number, because the mean of its divisors is an integer number (85347551926).

Almost surely, 2^{1213432004412} is an apocalyptic number.

1213432004412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213432004412 is an abundant number, since it is smaller than the sum of its proper divisors (1859079864924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213432004412 is a wasteful number, since it uses less digits than its factorization.

1213432004412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57422138 (or 57422133 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1213432004412 its reverse (2144002343121), we get a palindrome (3357434347533).

The spelling of 1213432004412 in words is "one trillion, two hundred thirteen billion, four hundred thirty-two million, four thousand, four hundred twelve".