1242312312033 has 12 divisors (see below), whose sum is σ = 1932485818900. Its totient is φ = 764499884256.

The previous prime is 1242312312029. The next prime is 1242312312077. The reversal of 1242312312033 is 3302132132421.

1242312312033 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 312 + 312 + 0 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 350171613009 + 892140699024 = 591753^2 + 944532^2 .

It is not a de Polignac number, because 1242312312033 - 2² = 1242312312029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1242312311988 and 1242312312006.

It is not an unprimeable number, because it can be changed into a prime (1242312312083) 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 11 ways as a sum of consecutive naturals, for example, 5309026858 + ... + 5309027091.

Almost surely, 2^{1242312312033} is an apocalyptic number.

1242312312033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1242312312033 is a deficient number, since it is larger than the sum of its proper divisors (690173506867).

1242312312033 is a wasteful number, since it uses less digits than its factorization.

1242312312033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10618053968 (or 10618053965 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1242312312033 its reverse (3302132132421), we get a palindrome (4544444444454).

The spelling of 1242312312033 in words is "one trillion, two hundred forty-two billion, three hundred twelve million, three hundred twelve thousand, thirty-three".