12124021410 has 128 divisors (see below), whose sum is σ = 36034502400. Its totient is φ = 2882718720.

The previous prime is 12124021369. The next prime is 12124021411. The reversal of 12124021410 is 1412042121.

12124021410 is a `hidden beast` number, since 1 + 212 + 40 + 2 + 1 + 410 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12124021411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17700 + ... + 156720.

It is an arithmetic number, because the mean of its divisors is an integer number (281519550).

Almost surely, 2^12124021410 is an apocalyptic number.

12124021410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12124021410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18017251200).

12124021410 is an abundant number, since it is smaller than the sum of its proper divisors (23910480990).

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

12124021410 is a wasteful number, since it uses less digits than its factorization.

12124021410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139073 (or 139067 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12124021410 its reverse (1412042121), we get a palindrome (13536063531).

The spelling of 12124021410 in words is "twelve billion, one hundred twenty-four million, twenty-one thousand, four hundred ten".