30312012123300 has 72 divisors (see below), whose sum is σ = 90073099841536. Its totient is φ = 7864738277760.

The previous prime is 30312012123277. The next prime is 30312012123313. The reversal of 30312012123300 is 332121021303.

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, 1365394852 + ... + 1365417051.

Almost surely, 2^{30312012123300} is an apocalyptic number.

30312012123300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30312012123300 is an abundant number, since it is smaller than the sum of its proper divisors (59761087718236).

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

30312012123300 is a wasteful number, since it uses less digits than its factorization.

30312012123300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730811957 (or 2730811950 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30312012123300 its reverse (332121021303), we get a palindrome (30644133144603).

The spelling of 30312012123300 in words is "thirty trillion, three hundred twelve billion, twelve million, one hundred twenty-three thousand, three hundred".