1243130032112 has 40 divisors (see below), whose sum is σ = 2473935083616. Its totient is φ = 604698898176.

The previous prime is 1243130032091. The next prime is 1243130032163. The reversal of 1243130032112 is 2112300313421.

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, 5451293 + ... + 5674755.

Almost surely, 2^{1243130032112} is an apocalyptic number.

It is an amenable number.

1243130032112 is a deficient number, since it is larger than the sum of its proper divisors (1230805051504).

1243130032112 is a wasteful number, since it uses less digits than its factorization.

1243130032112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232905 (or 232899 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1243130032112 its reverse (2112300313421), we get a palindrome (3355430345533).

The spelling of 1243130032112 in words is "one trillion, two hundred forty-three billion, one hundred thirty million, thirty-two thousand, one hundred twelve".