124124401212021 has 48 divisors (see below), whose sum is σ = 216996515858304. Its totient is φ = 66743802243072.

The previous prime is 124124401211983. The next prime is 124124401212023. The reversal of 124124401212021 is 120212104421421.

124124401212021 is a `hidden beast` number, since 1 + 2 + 4 + 1 + 2 + 440 + 1 + 212 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 124124401212021 - 2¹⁷ = 124124401080949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124124401212023) 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 47 ways as a sum of consecutive naturals, for example, 4696356 + ... + 16440941.

It is an arithmetic number, because the mean of its divisors is an integer number (4520760747048).

Almost surely, 2^{124124401212021} is an apocalyptic number.

It is an amenable number.

124124401212021 is a deficient number, since it is larger than the sum of its proper divisors (92872114646283).

124124401212021 is a wasteful number, since it uses less digits than its factorization.

124124401212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21142810 (or 21142807 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 124124401212021 its reverse (120212104421421), we get a palindrome (244336505633442).

The spelling of 124124401212021 in words is "one hundred twenty-four trillion, one hundred twenty-four billion, four hundred one million, two hundred twelve thousand, twenty-one".