1212204431042 has 8 divisors (see below), whose sum is σ = 1983607250832. Its totient is φ = 551002014100.

The previous prime is 1212204431027. The next prime is 1212204431059. The reversal of 1212204431042 is 2401344022121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27550100684 + ... + 27550100727.

It is an arithmetic number, because the mean of its divisors is an integer number (247950906354).

Almost surely, 2^{1212204431042} is an apocalyptic number.

1212204431042 is a deficient number, since it is larger than the sum of its proper divisors (771402819790).

1212204431042 is a wasteful number, since it uses less digits than its factorization.

1212204431042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55100201424.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1212204431042 its reverse (2401344022121), we get a palindrome (3613548453163).

The spelling of 1212204431042 in words is "one trillion, two hundred twelve billion, two hundred four million, four hundred thirty-one thousand, forty-two".