124512131020 has 12 divisors (see below), whose sum is σ = 261475475184. Its totient is φ = 49804852400.

The previous prime is 124512130993. The next prime is 124512131021. The reversal of 124512131020 is 20131215421.

It is a super-2 number, since 2×124512131020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124512130982 and 124512131000.

It is not an unprimeable number, because it can be changed into a prime (124512131021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112803256 + ... + 3112803295.

It is an arithmetic number, because the mean of its divisors is an integer number (21789622932).

Almost surely, 2^124512131020 is an apocalyptic number.

124512131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124512131020 is an abundant number, since it is smaller than the sum of its proper divisors (136963344164).

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

124512131020 is a wasteful number, since it uses less digits than its factorization.

124512131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225606560 (or 6225606558 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 124512131020 its reverse (20131215421), we get a palindrome (144643346441).

The spelling of 124512131020 in words is "one hundred twenty-four billion, five hundred twelve million, one hundred thirty-one thousand, twenty".