135030012 has 24 divisors (see below), whose sum is σ = 339306576. Its totient is φ = 41547648.

The previous prime is 135030011. The next prime is 135030023. The reversal of 135030012 is 210030531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 135029973 and 135030000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135030011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432633 + ... + 432944.

It is an arithmetic number, because the mean of its divisors is an integer number (14137774).

Almost surely, 2^135030012 is an apocalyptic number.

135030012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135030012 is an abundant number, since it is smaller than the sum of its proper divisors (204276564).

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

135030012 is a wasteful number, since it uses less digits than its factorization.

135030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865597 (or 865595 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 135030012 is about 11620.2414776974. The cubic root of 135030012 is about 513.0307958516.

Adding to 135030012 its reverse (210030531), we get a palindrome (345060543).

The spelling of 135030012 in words is "one hundred thirty-five million, thirty thousand, twelve".