124420032202240 has 80 divisors (see below), whose sum is σ = 298443587686992. Its totient is φ = 49746805530624.

The previous prime is 124420032202217. The next prime is 124420032202289. The reversal of 124420032202240 is 42202230024421.

It is a happy number.

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

It is a super-2 number, since 2×124420032202240² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124420032202199 and 124420032202208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4345659 + ... + 16362298.

Almost surely, 2^{124420032202240} is an apocalyptic number.

124420032202240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124420032202240 is an abundant number, since it is smaller than the sum of its proper divisors (174023555484752).

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

124420032202240 is an equidigital number, since it uses as much as digits as its factorization.

124420032202240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20710327 (or 20710311 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 124420032202240 its reverse (42202230024421), we get a palindrome (166622262226661).

The spelling of 124420032202240 in words is "one hundred twenty-four trillion, four hundred twenty billion, thirty-two million, two hundred two thousand, two hundred forty".