1204404010043 has 16 divisors (see below), whose sum is σ = 1361452572480. Its totient is φ = 1063420218432.

The previous prime is 1204404009971. The next prime is 1204404010057. The reversal of 1204404010043 is 3400104044021.

It is a happy number.

It is not a de Polignac number, because 1204404010043 - 2¹² = 1204404005947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1204404010543) 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, 11866946 + ... + 11968007.

It is an arithmetic number, because the mean of its divisors is an integer number (85090785780).

Almost surely, 2^{1204404010043} is an apocalyptic number.

1204404010043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1204404010043 is a deficient number, since it is larger than the sum of its proper divisors (157048562437).

1204404010043 is an equidigital number, since it uses as much as digits as its factorization.

1204404010043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23835015 (or 23834989 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1204404010043 its reverse (3400104044021), we get a palindrome (4604508054064).

The spelling of 1204404010043 in words is "one trillion, two hundred four billion, four hundred four million, ten thousand, forty-three".