1242336332421 has 48 divisors (see below), whose sum is σ = 1941403085440. Its totient is φ = 762868990080.

The previous prime is 1242336332407. The next prime is 1242336332429.

1242336332421 is a `hidden beast` number, since 1 + 24 + 233 + 63 + 324 + 21 = 666.

1242336332421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1242336332421 - 2⁵ = 1242336332389 is a prime.

It is a super-3 number, since 3×1242336332421³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242336332429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8666496 + ... + 8808678.

Almost surely, 2^{1242336332421} is an apocalyptic number.

It is an amenable number.

1242336332421 is a deficient number, since it is larger than the sum of its proper divisors (699066753019).

1242336332421 is a wasteful number, since it uses less digits than its factorization.

1242336332421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143626 (or 143623 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The spelling of 1242336332421 in words is "one trillion, two hundred forty-two billion, three hundred thirty-six million, three hundred thirty-two thousand, four hundred twenty-one".