30123232001220 has 48 divisors (see below), whose sum is σ = 84673240501248. Its totient is φ = 8001605591040.

The previous prime is 30123232001201. The next prime is 30123232001267. The reversal of 30123232001220 is 2210023232103.

It is a happy 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, 976743076 + ... + 976773915.

It is an arithmetic number, because the mean of its divisors is an integer number (1764025843776).

Almost surely, 2^{30123232001220} is an apocalyptic number.

30123232001220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30123232001220 is an abundant number, since it is smaller than the sum of its proper divisors (54550008500028).

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

30123232001220 is a wasteful number, since it uses less digits than its factorization.

30123232001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953517260 (or 1953517258 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30123232001220 its reverse (2210023232103), we get a palindrome (32333255233323).

The spelling of 30123232001220 in words is "thirty trillion, one hundred twenty-three billion, two hundred thirty-two million, one thousand, two hundred twenty".