1233212031 has 12 divisors (see below), whose sum is σ = 1794123240. Its totient is φ = 816225840.

The previous prime is 1233212027. The next prime is 1233212039. The reversal of 1233212031 is 1302123321.

It is not a de Polignac number, because 1233212031 - 2² = 1233212027 is a prime.

It is a super-2 number, since 2×1233212031² = 3041623826806289922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1233211995 and 1233212013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233212039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491640 + ... + 494141.

It is an arithmetic number, because the mean of its divisors is an integer number (149510270).

Almost surely, 2^1233212031 is an apocalyptic number.

1233212031 is a deficient number, since it is larger than the sum of its proper divisors (560911209).

1233212031 is a wasteful number, since it uses less digits than its factorization.

1233212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985926 (or 985923 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1233212031 is about 35117.1187741819. The cubic root of 1233212031 is about 1072.3731155417.

Adding to 1233212031 its reverse (1302123321), we get a palindrome (2535335352).

The spelling of 1233212031 in words is "one billion, two hundred thirty-three million, two hundred twelve thousand, thirty-one".