30121735200 has 72 divisors (see below), whose sum is σ = 98046255888. Its totient is φ = 8032462080.

The previous prime is 30121735199. The next prime is 30121735213. The reversal of 30121735200 is 253712103.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6272962 + ... + 6277761.

It is an arithmetic number, because the mean of its divisors is an integer number (1361753554).

Almost surely, 2^30121735200 is an apocalyptic number.

30121735200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30121735200 is an abundant number, since it is smaller than the sum of its proper divisors (67924520688).

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

30121735200 is a wasteful number, since it uses less digits than its factorization.

30121735200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12550746 (or 12550733 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The spelling of 30121735200 in words is "thirty billion, one hundred twenty-one million, seven hundred thirty-five thousand, two hundred".