243130020124 has 12 divisors (see below), whose sum is σ = 425499483304. Its totient is φ = 121558739184.

The previous prime is 243130020109. The next prime is 243130020137. The reversal of 243130020124 is 421020031342.

It is a super-2 number, since 2×243130020124² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243130020095 and 243130020104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1479939 + ... + 1635994.

Almost surely, 2^243130020124 is an apocalyptic number.

It is an amenable number.

243130020124 is a deficient number, since it is larger than the sum of its proper divisors (182369463180).

243130020124 is a wasteful number, since it uses less digits than its factorization.

243130020124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135444 (or 3135442 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 243130020124 its reverse (421020031342), we get a palindrome (664150051466).

The spelling of 243130020124 in words is "two hundred forty-three billion, one hundred thirty million, twenty thousand, one hundred twenty-four".