1233231330312 has 80 divisors (see below), whose sum is σ = 3459579522300. Its totient is φ = 410435665920.

The previous prime is 1233231330311. The next prime is 1233231330343. The reversal of 1233231330312 is 2130331323321.

1233231330312 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 2 + 313 + 30 + 312 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 877545527076 + 355685803236 = 936774^2 + 596394^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1233231330311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1069137 + ... + 1899872.

Almost surely, 2^{1233231330312} is an apocalyptic number.

1233231330312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1233231330312 is an abundant number, since it is smaller than the sum of its proper divisors (2226348191988).

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

1233231330312 is a wasteful number, since it uses less digits than its factorization.

1233231330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969668 (or 2969655 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1233231330312 its reverse (2130331323321), we get a palindrome (3363562653633).

The spelling of 1233231330312 in words is "one trillion, two hundred thirty-three billion, two hundred thirty-one million, three hundred thirty thousand, three hundred twelve".