30213240612 has 12 divisors (see below), whose sum is σ = 70497561456. Its totient is φ = 10071080200.

The previous prime is 30213240569. The next prime is 30213240613. The reversal of 30213240612 is 21604231203.

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

It is a super-2 number, since 2×30213240612² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30213240613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258885014 + ... + 1258885037.

It is an arithmetic number, because the mean of its divisors is an integer number (5874796788).

Almost surely, 2^30213240612 is an apocalyptic number.

It is an amenable number.

30213240612 is an abundant number, since it is smaller than the sum of its proper divisors (40284320844).

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

30213240612 is a wasteful number, since it uses less digits than its factorization.

30213240612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517770058 (or 2517770056 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30213240612 its reverse (21604231203), we get a palindrome (51817471815).

The spelling of 30213240612 in words is "thirty billion, two hundred thirteen million, two hundred forty thousand, six hundred twelve".