201030012 has 36 divisors (see below), whose sum is σ = 526982456. Its totient is φ = 67009680.

The previous prime is 201029993. The next prime is 201030023. The reversal of 201030012 is 210030102.

It is a happy number.

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 (9).

It is a junction number, because it is equal to n+sod(n) for n = 201029976 and 201030003.

It is a congruent number.

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, 102439 + ... + 104382.

Almost surely, 2^201030012 is an apocalyptic number.

It is an amenable number.

201030012 is an abundant number, since it is smaller than the sum of its proper divisors (325952444).

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

201030012 is a wasteful number, since it uses less digits than its factorization.

201030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206840 (or 206826 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 201030012 is about 14178.5052808820. The cubic root of 201030012 is about 585.8057535858.

Adding to 201030012 its reverse (210030102), we get a palindrome (411060114).

The spelling of 201030012 in words is "two hundred one million, thirty thousand, twelve".