1234331340021 has 48 divisors (see below), whose sum is σ = 1948192646400. Its totient is φ = 748475320320.

The previous prime is 1234331339987. The next prime is 1234331340083. The reversal of 1234331340021 is 1200431334321.

It is a happy number.

1234331340021 is a `hidden beast` number, since 1 + 2 + 343 + 313 + 4 + 0 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 1234331340021 - 2⁹ = 1234331339509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234331340421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15302805 + ... + 15383253.

It is an arithmetic number, because the mean of its divisors is an integer number (40587346800).

Almost surely, 2^{1234331340021} is an apocalyptic number.

It is an amenable number.

1234331340021 is a deficient number, since it is larger than the sum of its proper divisors (713861306379).

1234331340021 is a wasteful number, since it uses less digits than its factorization.

1234331340021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82386 (or 82383 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1234331340021 its reverse (1200431334321), we get a palindrome (2434762674342).

The spelling of 1234331340021 in words is "one trillion, two hundred thirty-four billion, three hundred thirty-one million, three hundred forty thousand, twenty-one".