30001231200 has 72 divisors (see below), whose sum is σ = 97654015368. Its totient is φ = 8000327680.

The previous prime is 30001231189. The next prime is 30001231213. The reversal of 30001231200 is 213210003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6247857 + ... + 6252656.

It is an arithmetic number, because the mean of its divisors is an integer number (1356305769).

Almost surely, 2^30001231200 is an apocalyptic number.

30001231200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30001231200 is an abundant number, since it is smaller than the sum of its proper divisors (67652784168).

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

30001231200 is a wasteful number, since it uses less digits than its factorization.

30001231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500536 (or 12500523 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30001231200 its reverse (213210003), we get a palindrome (30214441203).

The spelling of 30001231200 in words is "thirty billion, one million, two hundred thirty-one thousand, two hundred".