1231233020332 has 48 divisors (see below), whose sum is σ = 2495223424512. Its totient is φ = 520688327040.

The previous prime is 1231233020321. The next prime is 1231233020401. The reversal of 1231233020332 is 2330203321321.

It is a junction number, because it is equal to n+sod(n) for n = 1231233020297 and 1231233020306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50763 + ... + 1570045.

It is an arithmetic number, because the mean of its divisors is an integer number (51983821344).

Almost surely, 2^{1231233020332} is an apocalyptic number.

It is an amenable number.

1231233020332 is an abundant number, since it is smaller than the sum of its proper divisors (1263990404180).

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

1231233020332 is a wasteful number, since it uses less digits than its factorization.

1231233020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519678 (or 1519676 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1231233020332 its reverse (2330203321321), we get a palindrome (3561436341653).

The spelling of 1231233020332 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-three million, twenty thousand, three hundred thirty-two".