30123120103000 has 64 divisors (see below), whose sum is σ = 71987847984000. Its totient is φ = 11792881043200.

The previous prime is 30123120102949. The next prime is 30123120103091. The reversal of 30123120103000 is 30102132103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320411725 + ... + 320505724.

It is an arithmetic number, because the mean of its divisors is an integer number (1124810124750).

Almost surely, 2^{30123120103000} is an apocalyptic number.

It is an amenable number.

30123120103000 is an abundant number, since it is smaller than the sum of its proper divisors (41864727881000).

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

30123120103000 is a wasteful number, since it uses less digits than its factorization.

30123120103000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640917517 (or 640917503 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30123120103000 its reverse (30102132103), we get a palindrome (30153222235103).

The spelling of 30123120103000 in words is "thirty trillion, one hundred twenty-three billion, one hundred twenty million, one hundred three thousand".