124412204240 has 80 divisors (see below), whose sum is σ = 294882840576. Its totient is φ = 48798297600.

The previous prime is 124412204239. The next prime is 124412204243. The reversal of 124412204240 is 42402214421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124412204243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8519345 + ... + 8533935.

Almost surely, 2^124412204240 is an apocalyptic number.

124412204240 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 124412204240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147441420288).

124412204240 is an abundant number, since it is smaller than the sum of its proper divisors (170470636336).

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

124412204240 is a wasteful number, since it uses less digits than its factorization.

124412204240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16668 (or 16662 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 124412204240 its reverse (42402214421), we get a palindrome (166814418661).

The spelling of 124412204240 in words is "one hundred twenty-four billion, four hundred twelve million, two hundred four thousand, two hundred forty".