1204431233211 has 16 divisors (see below), whose sum is σ = 1861922680320. Its totient is φ = 768043104840.

The previous prime is 1204431233149. The next prime is 1204431233227. The reversal of 1204431233211 is 1123321344021.

1204431233211 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 4 + 312 + 332 + 11 = 666.

It is not a de Polignac number, because 1204431233211 - 2⁶ = 1204431233147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1204431233251) 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 15 ways as a sum of consecutive naturals, for example, 969750775 + ... + 969752016.

It is an arithmetic number, because the mean of its divisors is an integer number (116370167520).

Almost surely, 2^{1204431233211} is an apocalyptic number.

1204431233211 is a deficient number, since it is larger than the sum of its proper divisors (657491447109).

1204431233211 is a wasteful number, since it uses less digits than its factorization.

1204431233211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939502823 (or 1939502817 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1204431233211 its reverse (1123321344021), we get a palindrome (2327752577232).

The spelling of 1204431233211 in words is "one trillion, two hundred four billion, four hundred thirty-one million, two hundred thirty-three thousand, two hundred eleven".