1230234012 has 36 divisors (see below), whose sum is σ = 3554010096. Its totient is φ = 351495360.

The previous prime is 1230234011. The next prime is 1230234041. The reversal of 1230234012 is 2104320321.

1230234012 is a `hidden beast` number, since 12 + 302 + 340 + 12 = 666.

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

It is a super-2 number, since 2×1230234012² = 3026951448563232288, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230234011) 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, 2440689 + ... + 2441192.

Almost surely, 2^1230234012 is an apocalyptic number.

1230234012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230234012 is an abundant number, since it is smaller than the sum of its proper divisors (2323776084).

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

1230234012 is a wasteful number, since it uses less digits than its factorization.

1230234012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881898 (or 4881893 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1230234012 is about 35074.6919017117. The cubic root of 1230234012 is about 1071.5092139226.

Adding to 1230234012 its reverse (2104320321), we get a palindrome (3334554333).

The spelling of 1230234012 in words is "one billion, two hundred thirty million, two hundred thirty-four thousand, twelve".