1233231012 has 36 divisors (see below), whose sum is σ = 3357130140. Its totient is φ = 379455552.

The previous prime is 1233231007. The next prime is 1233231023. The reversal of 1233231012 is 2101323321.

1233231012 is a `hidden beast` number, since 12 + 332 + 310 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 807469056 + 425761956 = 28416^2 + 20634^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1317087 + ... + 1318022.

It is an arithmetic number, because the mean of its divisors is an integer number (93253615).

Almost surely, 2^1233231012 is an apocalyptic number.

1233231012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1233231012 is an abundant number, since it is smaller than the sum of its proper divisors (2123899128).

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

1233231012 is a wasteful number, since it uses less digits than its factorization.

1233231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635132 (or 2635127 counting only the distinct ones).

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

The square root of 1233231012 is about 35117.3890259512. The cubic root of 1233231012 is about 1072.3786173287.

Adding to 1233231012 its reverse (2101323321), we get a palindrome (3334554333).

The spelling of 1233231012 in words is "one billion, two hundred thirty-three million, two hundred thirty-one thousand, twelve".