1204343412111 has 24 divisors (see below), whose sum is σ = 2003776978944. Its totient is φ = 682777362960.

The previous prime is 1204343412073. The next prime is 1204343412131. The reversal of 1204343412111 is 1112143434021.

It is a happy number.

1204343412111 is a `hidden beast` number, since 1 + 204 + 3 + 4 + 341 + 2 + 111 = 666.

It is not a de Polignac number, because 1204343412111 - 2⁹ = 1204343411599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204343412131) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 75254055 + ... + 75270056.

It is an arithmetic number, because the mean of its divisors is an integer number (83490707456).

Almost surely, 2^{1204343412111} is an apocalyptic number.

1204343412111 is a deficient number, since it is larger than the sum of its proper divisors (799433566833).

1204343412111 is a wasteful number, since it uses less digits than its factorization.

1204343412111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150524251 (or 150524248 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1204343412111 its reverse (1112143434021), we get a palindrome (2316486846132).

The spelling of 1204343412111 in words is "one trillion, two hundred four billion, three hundred forty-three million, four hundred twelve thousand, one hundred eleven".