30132012 has 12 divisors (see below), whose sum is σ = 70308056. Its totient is φ = 10044000.

The previous prime is 30131999. The next prime is 30132013. The reversal of 30132012 is 21023103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 2511001 = 30132012 / (3 + 0 + 1 + 3 + 2 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (30132013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255489 + ... + 1255512.

Almost surely, 2^30132012 is an apocalyptic number.

It is an amenable number.

30132012 is an abundant number, since it is smaller than the sum of its proper divisors (40176044).

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

30132012 is a wasteful number, since it uses less digits than its factorization.

30132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511008 (or 2511006 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30132012 is about 5489.2633385546. The cubic root of 30132012 is about 311.1783525671.

Adding to 30132012 its reverse (21023103), we get a palindrome (51155115).

The spelling of 30132012 in words is "thirty million, one hundred thirty-two thousand, twelve".