124002344300021 has 16 divisors (see below), whose sum is σ = 135618102385920. Its totient is φ = 112443839262720.

The previous prime is 124002344299987. The next prime is 124002344300057. The reversal of 124002344300021 is 120003443200421.

It is a cyclic number.

It is not a de Polignac number, because 124002344300021 - 2¹⁸ = 124002344037877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124002344300621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18340565 + ... + 24173973.

It is an arithmetic number, because the mean of its divisors is an integer number (8476131399120).

Almost surely, 2^{124002344300021} is an apocalyptic number.

124002344300021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124002344300021 is a deficient number, since it is larger than the sum of its proper divisors (11615758085899).

124002344300021 is a wasteful number, since it uses less digits than its factorization.

124002344300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838316.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 124002344300021 its reverse (120003443200421), we get a palindrome (244005787500442).

The spelling of 124002344300021 in words is "one hundred twenty-four trillion, two billion, three hundred forty-four million, three hundred thousand, twenty-one".