124212312011 has 4 divisors (see below), whose sum is σ = 125003473392. Its totient is φ = 123421150632.

The previous prime is 124212312001. The next prime is 124212312053. The reversal of 124212312011 is 110213212421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110213212421 = 13 ⋅8477939417.

It is a cyclic number.

It is not a de Polignac number, because 124212312011 - 2⁶ = 124212311947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124212312001) 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 3 ways as a sum of consecutive naturals, for example, 395580455 + ... + 395580768.

It is an arithmetic number, because the mean of its divisors is an integer number (31250868348).

Almost surely, 2^124212312011 is an apocalyptic number.

124212312011 is a deficient number, since it is larger than the sum of its proper divisors (791161381).

124212312011 is an equidigital number, since it uses as much as digits as its factorization.

124212312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791161380.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 124212312011 its reverse (110213212421), we get a palindrome (234425524432).

The spelling of 124212312011 in words is "one hundred twenty-four billion, two hundred twelve million, three hundred twelve thousand, eleven".