12133012 has 6 divisors (see below), whose sum is σ = 21232778. Its totient is φ = 6066504.

The previous prime is 12132971. The next prime is 12133013. The reversal of 12133012 is 21033121.

It can be written as a sum of positive squares in only one way, i.e., 9960336 + 2172676 = 3156^2 + 1474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12132983 and 12133001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1516623 + ... + 1516630.

Almost surely, 2^12133012 is an apocalyptic number.

It is an amenable number.

12133012 is a deficient number, since it is larger than the sum of its proper divisors (9099766).

12133012 is a wasteful number, since it uses less digits than its factorization.

12133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033257 (or 3033255 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12133012 is about 3483.2473354616. The cubic root of 12133012 is about 229.7856351782.

Adding to 12133012 its reverse (21033121), we get a palindrome (33166133).

It can be divided in two parts, 1213 and 3012, that added together give a square (4225 = 65²).

The spelling of 12133012 in words is "twelve million, one hundred thirty-three thousand, twelve".