1242212775003 has 24 divisors (see below), whose sum is σ = 1890072238080. Its totient is φ = 784003944240.

The previous prime is 1242212774989. The next prime is 1242212775017. The reversal of 1242212775003 is 3005772122421.

1242212775003 is a `hidden beast` number, since 1 + 2 + 4 + 22 + 127 + 7 + 500 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1242212774989) and next prime (1242212775017).

It is not a de Polignac number, because 1242212775003 - 2¹⁰ = 1242212773979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242212775103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2309163 + ... + 2795828.

It is an arithmetic number, because the mean of its divisors is an integer number (78753009920).

Almost surely, 2^{1242212775003} is an apocalyptic number.

1242212775003 is a deficient number, since it is larger than the sum of its proper divisors (647859463077).

1242212775003 is a wasteful number, since it uses less digits than its factorization.

1242212775003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106439 (or 5106436 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

Adding to 1242212775003 its reverse (3005772122421), we get a palindrome (4247984897424).

The spelling of 1242212775003 in words is "one trillion, two hundred forty-two billion, two hundred twelve million, seven hundred seventy-five thousand, three".