1231123330032 has 40 divisors (see below), whose sum is σ = 3180502339584. Its totient is φ = 410361488064.

The previous prime is 1231123329991. The next prime is 1231123330043. The reversal of 1231123330032 is 2300333211321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1231123329984 and 1231123330011.

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, 1196763 + ... + 1973445.

Almost surely, 2^{1231123330032} is an apocalyptic number.

1231123330032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231123330032 is an abundant number, since it is smaller than the sum of its proper divisors (1949379009552).

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

1231123330032 is a wasteful number, since it uses less digits than its factorization.

1231123330032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809717 (or 809711 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1231123330032 its reverse (2300333211321), we get a palindrome (3531456541353).

The spelling of 1231123330032 in words is "one trillion, two hundred thirty-one billion, one hundred twenty-three million, three hundred thirty thousand, thirty-two".