124206200040 has 256 divisors, whose sum is σ = 411366574080. Its totient is φ = 29808092160.

The previous prime is 124206200017. The next prime is 124206200051. The reversal of 124206200040 is 40002602421.

124206200040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 352429²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45814285 + ... + 45816995.

It is an arithmetic number, because the mean of its divisors is an integer number (1606900680).

Almost surely, 2^124206200040 is an apocalyptic number.

124206200040 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 124206200040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205683287040).

124206200040 is an abundant number, since it is smaller than the sum of its proper divisors (287160374040).

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

124206200040 is a wasteful number, since it uses less digits than its factorization.

124206200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464 (or 3460 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 124206200040 its reverse (40002602421), we get a palindrome (164208802461).

The spelling of 124206200040 in words is "one hundred twenty-four billion, two hundred six million, two hundred thousand, forty".