30231000012 has 24 divisors (see below), whose sum is σ = 70570097136. Its totient is φ = 10072557568.

The previous prime is 30231000011. The next prime is 30231000013. The reversal of 30231000012 is 21000013203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30231000011) and next prime (30231000013).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (30231000011) 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, 526893 + ... + 581444.

It is an arithmetic number, because the mean of its divisors is an integer number (2940420714).

Almost surely, 2^30231000012 is an apocalyptic number.

It is an amenable number.

30231000012 is an abundant number, since it is smaller than the sum of its proper divisors (40339097124).

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

30231000012 is a wasteful number, since it uses less digits than its factorization.

30231000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110617 (or 1110615 counting only the distinct ones).

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

Adding to 30231000012 its reverse (21000013203), we get a palindrome (51231013215).

The spelling of 30231000012 in words is "thirty billion, two hundred thirty-one million, twelve", and thus it is an aban number.