124331111212 has 96 divisors (see below), whose sum is σ = 275186419200. Its totient is φ = 47745984000.

The previous prime is 124331111143. The next prime is 124331111227. The reversal of 124331111212 is 212111133421.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6001512 + ... + 6022192.

It is an arithmetic number, because the mean of its divisors is an integer number (2866525200).

Almost surely, 2^124331111212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124331111212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137593209600).

124331111212 is an abundant number, since it is smaller than the sum of its proper divisors (150855307988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124331111212 is a wasteful number, since it uses less digits than its factorization.

124331111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20983 (or 20981 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

Adding to 124331111212 its reverse (212111133421), we get a palindrome (336442244633).

The spelling of 124331111212 in words is "one hundred twenty-four billion, three hundred thirty-one million, one hundred eleven thousand, two hundred twelve".