1242133402433 has 16 divisors (see below), whose sum is σ = 1548664711296. Its totient is φ = 967876871040.

The previous prime is 1242133402421. The next prime is 1242133402441. The reversal of 1242133402433 is 3342043312421.

It is a cyclic number.

It is not a de Polignac number, because 1242133402433 - 2⁸ = 1242133402177 is a prime.

It is a super-2 number, since 2×1242133402433² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1242133402433.

It is not an unprimeable number, because it can be changed into a prime (1242133402333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4662335 + ... + 4921547.

It is an arithmetic number, because the mean of its divisors is an integer number (96791544456).

Almost surely, 2^{1242133402433} is an apocalyptic number.

It is an amenable number.

1242133402433 is a deficient number, since it is larger than the sum of its proper divisors (306531308863).

1242133402433 is a wasteful number, since it uses less digits than its factorization.

1242133402433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321464.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1242133402433 its reverse (3342043312421), we get a palindrome (4584176714854).

The spelling of 1242133402433 in words is "one trillion, two hundred forty-two billion, one hundred thirty-three million, four hundred two thousand, four hundred thirty-three".