1231330224124 has 72 divisors (see below), whose sum is σ = 2915113743584. Its totient is φ = 442836028800.

The previous prime is 1231330224121. The next prime is 1231330224143. The reversal of 1231330224124 is 4214220331321.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1231330224092 and 1231330224101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231330224121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13934367 + ... + 14022454.

Almost surely, 2^{1231330224124} is an apocalyptic number.

1231330224124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1231330224124 is an abundant number, since it is smaller than the sum of its proper divisors (1683783519460).

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

1231330224124 is a wasteful number, since it uses less digits than its factorization.

1231330224124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27956867 (or 27956854 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1231330224124 its reverse (4214220331321), we get a palindrome (5445550555445).

The spelling of 1231330224124 in words is "one trillion, two hundred thirty-one billion, three hundred thirty million, two hundred twenty-four thousand, one hundred twenty-four".