124402131431220 has 96 divisors (see below), whose sum is σ = 348954659899776. Its totient is φ = 33114041856000.

The previous prime is 124402131431203. The next prime is 124402131431273. The reversal of 124402131431220 is 22134131204421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259789452 + ... + 260267868.

It is an arithmetic number, because the mean of its divisors is an integer number (3634944373956).

Almost surely, 2^{124402131431220} is an apocalyptic number.

124402131431220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124402131431220 is an abundant number, since it is smaller than the sum of its proper divisors (224552528468556).

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

124402131431220 is a wasteful number, since it uses less digits than its factorization.

124402131431220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486241 (or 486239 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 124402131431220 its reverse (22134131204421), we get a palindrome (146536262635641).

The spelling of 124402131431220 in words is "one hundred twenty-four trillion, four hundred two billion, one hundred thirty-one million, four hundred thirty-one thousand, two hundred twenty".