1230013212 has 24 divisors (see below), whose sum is σ = 2878710912. Its totient is φ = 408764400.

The previous prime is 1230013207. The next prime is 1230013217. The reversal of 1230013212 is 2123100321.

It is an interprime number because it is at equal distance from previous prime (1230013207) and next prime (1230013217).

It is a junction number, because it is equal to n+sod(n) for n = 1230013191 and 1230013200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230013217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150864 + ... + 158807.

It is an arithmetic number, because the mean of its divisors is an integer number (119946288).

Almost surely, 2^1230013212 is an apocalyptic number.

1230013212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230013212 is an abundant number, since it is smaller than the sum of its proper divisors (1648697700).

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

1230013212 is a wasteful number, since it uses less digits than its factorization.

1230013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310009 (or 310007 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1230013212 is about 35071.5441918373. The cubic root of 1230013212 is about 1071.4451059594.

Adding to 1230013212 its reverse (2123100321), we get a palindrome (3353113533).

The spelling of 1230013212 in words is "one billion, two hundred thirty million, thirteen thousand, two hundred twelve".