30123243412 has 12 divisors (see below), whose sum is σ = 52728048576. Its totient is φ = 15058086680.

The previous prime is 30123243377. The next prime is 30123243419. The reversal of 30123243412 is 21434232103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123243419) 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, 864538 + ... + 898705.

It is an arithmetic number, because the mean of its divisors is an integer number (4394004048).

Almost surely, 2^30123243412 is an apocalyptic number.

It is an amenable number.

30123243412 is a deficient number, since it is larger than the sum of its proper divisors (22604805164).

30123243412 is a wasteful number, since it uses less digits than its factorization.

30123243412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767518 (or 1767516 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30123243412 its reverse (21434232103), we get a palindrome (51557475515).

The spelling of 30123243412 in words is "thirty billion, one hundred twenty-three million, two hundred forty-three thousand, four hundred twelve".