1242003302112 has 48 divisors (see below), whose sum is σ = 3431851234560. Its totient is φ = 392211568512.

The previous prime is 1242003302083. The next prime is 1242003302123. The reversal of 1242003302112 is 2112033002421.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1242003302112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340459608 + ... + 340463255.

It is an arithmetic number, because the mean of its divisors is an integer number (71496900720).

Almost surely, 2^{1242003302112} is an apocalyptic number.

1242003302112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1242003302112 is an abundant number, since it is smaller than the sum of its proper divisors (2189847932448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242003302112 is a wasteful number, since it uses less digits than its factorization.

1242003302112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680922895 (or 680922887 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1242003302112 its reverse (2112033002421), we get a palindrome (3354036304533).

The spelling of 1242003302112 in words is "one trillion, two hundred forty-two billion, three million, three hundred two thousand, one hundred twelve".