124002120000 has 280 divisors, whose sum is σ = 447255607392. Its totient is φ = 30060800000.

The previous prime is 124002119999. The next prime is 124002120007. The reversal of 124002120000 is 21200421.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124002120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1273030 + ... + 1366970.

Almost surely, 2^124002120000 is an apocalyptic number.

124002120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124002120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223627803696).

124002120000 is an abundant number, since it is smaller than the sum of its proper divisors (323253487392).

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

124002120000 is an equidigital number, since it uses as much as digits as its factorization.

124002120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93987 (or 93962 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 124002120000 its reverse (21200421), we get a palindrome (124023320421).

The spelling of 124002120000 in words is "one hundred twenty-four billion, two million, one hundred twenty thousand".