1242333132500 has 30 divisors (see below), whose sum is σ = 2716734099618. Its totient is φ = 496933252000.

The previous prime is 1242333132473. The next prime is 1242333132511. The reversal of 1242333132500 is 52313332421.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 442403237956 + 799929894544 = 665134^2 + 894388^2 .

It is a super-2 number, since 2×1242333132500² (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 9 ways as a sum of consecutive naturals, for example, 248464127 + ... + 248469126.

Almost surely, 2^{1242333132500} is an apocalyptic number.

1242333132500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242333132500 is an abundant number, since it is smaller than the sum of its proper divisors (1474400967118).

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

1242333132500 is an equidigital number, since it uses as much as digits as its factorization.

1242333132500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496933277 (or 496933260 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 1242333132500 its reverse (52313332421), we get a palindrome (1294646464921).

The spelling of 1242333132500 in words is "one trillion, two hundred forty-two billion, three hundred thirty-three million, one hundred thirty-two thousand, five hundred".