1204134432111 has 48 divisors (see below), whose sum is σ = 2020700799936. Its totient is φ = 684258352128.

The previous prime is 1204134432097. The next prime is 1204134432121. The reversal of 1204134432111 is 1112344314021.

It is a happy number.

1204134432111 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 1 + 3 + 443 + 211 + 1 = 666.

It is not a de Polignac number, because 1204134432111 - 2¹⁸ = 1204134169967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204134432121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5605875 + ... + 5816708.

It is an arithmetic number, because the mean of its divisors is an integer number (42097933332).

Almost surely, 2^{1204134432111} is an apocalyptic number.

1204134432111 is a deficient number, since it is larger than the sum of its proper divisors (816566367825).

1204134432111 is a wasteful number, since it uses less digits than its factorization.

1204134432111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11422672 (or 11422669 counting only the distinct ones).

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

Adding to 1204134432111 its reverse (1112344314021), we get a palindrome (2316478746132).

The spelling of 1204134432111 in words is "one trillion, two hundred four billion, one hundred thirty-four million, four hundred thirty-two thousand, one hundred eleven".