30123302133212 has 24 divisors (see below), whose sum is σ = 54417657463680. Its totient is φ = 14575424460480.

The previous prime is 30123302133143. The next prime is 30123302133233. The reversal of 30123302133212 is 21233120332103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1921178 + ... + 7996094.

It is an arithmetic number, because the mean of its divisors is an integer number (2267402394320).

Almost surely, 2^{30123302133212} is an apocalyptic number.

It is an amenable number.

30123302133212 is a deficient number, since it is larger than the sum of its proper divisors (24294355330468).

30123302133212 is a wasteful number, since it uses less digits than its factorization.

30123302133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6114941 (or 6114939 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 30123302133212 its reverse (21233120332103), we get a palindrome (51356422465315).

The spelling of 30123302133212 in words is "thirty trillion, one hundred twenty-three billion, three hundred two million, one hundred thirty-three thousand, two hundred twelve".