30123132223200 has 144 divisors (see below), whose sum is σ = 99002745668736. Its totient is φ = 7954846502400.

The previous prime is 30123132223183. The next prime is 30123132223229. The reversal of 30123132223200 is 232223132103.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60681466 + ... + 61175865.

It is an arithmetic number, because the mean of its divisors is an integer number (687519067144).

Almost surely, 2^{30123132223200} is an apocalyptic number.

30123132223200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30123132223200 is an abundant number, since it is smaller than the sum of its proper divisors (68879613445536).

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

30123132223200 is a wasteful number, since it uses less digits than its factorization.

30123132223200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121857457 (or 121857444 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30123132223200 its reverse (232223132103), we get a palindrome (30355355355303).

The spelling of 30123132223200 in words is "thirty trillion, one hundred twenty-three billion, one hundred thirty-two million, two hundred twenty-three thousand, two hundred".