1231110433132 has 12 divisors (see below), whose sum is σ = 2154465527256. Its totient is φ = 615548853920.

The previous prime is 1231110433103. The next prime is 1231110433171. The reversal of 1231110433132 is 2313340111321.

It is a junction number, because it is equal to n+sod(n) for n = 1231110433097 and 1231110433106.

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, 1141198 + ... + 1940245.

It is an arithmetic number, because the mean of its divisors is an integer number (179538793938).

Almost surely, 2^{1231110433132} is an apocalyptic number.

It is an amenable number.

1231110433132 is a deficient number, since it is larger than the sum of its proper divisors (923355094124).

1231110433132 is a wasteful number, since it uses less digits than its factorization.

1231110433132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181328 (or 3181326 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1231110433132 its reverse (2313340111321), we get a palindrome (3544450544453).

The spelling of 1231110433132 in words is "one trillion, two hundred thirty-one billion, one hundred ten million, four hundred thirty-three thousand, one hundred thirty-two".