1230111332 has 24 divisors (see below), whose sum is σ = 2172785664. Its totient is φ = 609329952.

The previous prime is 1230111331. The next prime is 1230111349. The reversal of 1230111332 is 2331110321.

It is a super-2 number, since 2×1230111332² = 3026347778229628448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1230111332.

It is not an unprimeable number, because it can be changed into a prime (1230111331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479798 + ... + 482354.

It is an arithmetic number, because the mean of its divisors is an integer number (90532736).

Almost surely, 2^1230111332 is an apocalyptic number.

It is an amenable number.

1230111332 is a deficient number, since it is larger than the sum of its proper divisors (942674332).

1230111332 is a wasteful number, since it uses less digits than its factorization.

1230111332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635 (or 3633 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1230111332 is about 35072.9430188001. The cubic root of 1230111332 is about 1071.4735954633.

Adding to 1230111332 its reverse (2331110321), we get a palindrome (3561221653).

The spelling of 1230111332 in words is "one billion, two hundred thirty million, one hundred eleven thousand, three hundred thirty-two".