12124333011 has 16 divisors (see below), whose sum is σ = 18498380544. Its totient is φ = 6919487904.

The previous prime is 12124332989. The next prime is 12124333031. The reversal of 12124333011 is 11033342121.

It is not a de Polignac number, because 12124333011 - 2¹³ = 12124324819 is a prime.

It is a super-2 number, since 2×12124333011² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12124333031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345465 + ... + 378938.

It is an arithmetic number, because the mean of its divisors is an integer number (1156148784).

Almost surely, 2^12124333011 is an apocalyptic number.

12124333011 is a deficient number, since it is larger than the sum of its proper divisors (6374047533).

12124333011 is an equidigital number, since it uses as much as digits as its factorization.

12124333011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725210.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12124333011 its reverse (11033342121), we get a palindrome (23157675132).

The spelling of 12124333011 in words is "twelve billion, one hundred twenty-four million, three hundred thirty-three thousand, eleven".