1231223303332 has 48 divisors (see below), whose sum is σ = 2495914646400. Its totient is φ = 525217190400.

The previous prime is 1231223303309. The next prime is 1231223303341. The reversal of 1231223303332 is 2333033221321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231223303332.

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, 2097144 + ... + 2619247.

It is an arithmetic number, because the mean of its divisors is an integer number (51998221800).

Almost surely, 2^{1231223303332} is an apocalyptic number.

It is an amenable number.

1231223303332 is an abundant number, since it is smaller than the sum of its proper divisors (1264691343068).

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

1231223303332 is a wasteful number, since it uses less digits than its factorization.

1231223303332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716772 (or 4716770 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 1231223303332 its reverse (2333033221321), we get a palindrome (3564256524653).

The spelling of 1231223303332 in words is "one trillion, two hundred thirty-one billion, two hundred twenty-three million, three hundred three thousand, three hundred thirty-two".