1204431233149 has 2 divisors, whose sum is σ = 1204431233150. Its totient is φ = 1204431233148.

The previous prime is 1204431233147. The next prime is 1204431233227. The reversal of 1204431233149 is 9413321344021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 682576697124 + 521854536025 = 826182^2 + 722395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204431233149 - 2¹ = 1204431233147 is a prime.

Together with 1204431233147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204431233147) 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 as a sum of consecutive naturals, namely, 602215616574 + 602215616575.

It is an arithmetic number, because the mean of its divisors is an integer number (602215616575).

Almost surely, 2^{1204431233149} is an apocalyptic number.

It is an amenable number.

1204431233149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204431233149 is an equidigital number, since it uses as much as digits as its factorization.

1204431233149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 1204431233149 in words is "one trillion, two hundred four billion, four hundred thirty-one million, two hundred thirty-three thousand, one hundred forty-nine".