124213332420 has 144 divisors (see below), whose sum is σ = 387609401088. Its totient is φ = 32181864960.

The previous prime is 124213332401. The next prime is 124213332431. The reversal of 124213332420 is 24233312421.

124213332420 is a `hidden beast` number, since 1 + 24 + 213 + 3 + 3 + 2 + 420 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1105435 + ... + 1212605.

It is an arithmetic number, because the mean of its divisors is an integer number (2691731952).

Almost surely, 2^124213332420 is an apocalyptic number.

124213332420 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 124213332420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193804700544).

124213332420 is an abundant number, since it is smaller than the sum of its proper divisors (263396068668).

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

124213332420 is a wasteful number, since it uses less digits than its factorization.

124213332420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107370 (or 107365 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 124213332420 its reverse (24233312421), we get a palindrome (148446644841).

The spelling of 124213332420 in words is "one hundred twenty-four billion, two hundred thirteen million, three hundred thirty-two thousand, four hundred twenty".