30123001131850 has 96 divisors (see below), whose sum is σ = 64720926809856. Its totient is φ = 10308968294400.

The previous prime is 30123001131823. The next prime is 30123001131851. The reversal of 30123001131850 is 5813110032103.

It is not an unprimeable number, because it can be changed into a prime (30123001131851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223276014 + ... + 223410886.

It is an arithmetic number, because the mean of its divisors is an integer number (674176320936).

Almost surely, 2^{30123001131850} is an apocalyptic number.

30123001131850 is an abundant number, since it is smaller than the sum of its proper divisors (34597925678006).

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

30123001131850 is a wasteful number, since it uses less digits than its factorization.

30123001131850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158800 (or 158795 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 30123001131850 its reverse (5813110032103), we get a palindrome (35936111163953).

The spelling of 30123001131850 in words is "thirty trillion, one hundred twenty-three billion, one million, one hundred thirty-one thousand, eight hundred fifty".