124020433215211 has 16 divisors (see below), whose sum is σ = 134457097410720. Its totient is φ = 113713991032320.

The previous prime is 124020433215187. The next prime is 124020433215251. The reversal of 124020433215211 is 112512334020421.

It is a cyclic number.

It is not a de Polignac number, because 124020433215211 - 2¹⁷ = 124020433084139 is a prime.

It is a super-2 number, since 2×124020433215211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124020433215251) 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, 43017790 + ... + 45810163.

It is an arithmetic number, because the mean of its divisors is an integer number (8403568588170).

Almost surely, 2^{124020433215211} is an apocalyptic number.

124020433215211 is a deficient number, since it is larger than the sum of its proper divisors (10436664195509).

124020433215211 is a wasteful number, since it uses less digits than its factorization.

124020433215211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88828686.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 124020433215211 its reverse (112512334020421), we get a palindrome (236532767235632).

The spelling of 124020433215211 in words is "one hundred twenty-four trillion, twenty billion, four hundred thirty-three million, two hundred fifteen thousand, two hundred eleven".