124224403412421 has 12 divisors (see below), whose sum is σ = 193237960863948. Its totient is φ = 76445786715264.

The previous prime is 124224403412419. The next prime is 124224403412423. The reversal of 124224403412421 is 124214304422421.

124224403412421 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 2 + 4 + 403 + 4 + 1 + 242 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (124224403412419) and next prime (124224403412423).

It can be written as a sum of positive squares in 2 ways, for example, as 13669398756225 + 110555004656196 = 3697215^2 + 10514514^2 .

It is not a de Polignac number, because 124224403412421 - 2¹ = 124224403412419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124224403412423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530873518740 + ... + 530873518973.

It is an arithmetic number, because the mean of its divisors is an integer number (16103163405329).

Almost surely, 2^{124224403412421} is an apocalyptic number.

It is an amenable number.

124224403412421 is a deficient number, since it is larger than the sum of its proper divisors (69013557451527).

124224403412421 is a wasteful number, since it uses less digits than its factorization.

124224403412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061747037732 (or 1061747037729 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 124224403412421 its reverse (124214304422421), we get a palindrome (248438707834842).

The spelling of 124224403412421 in words is "one hundred twenty-four trillion, two hundred twenty-four billion, four hundred three million, four hundred twelve thousand, four hundred twenty-one".