30012200000 has 84 divisors (see below), whose sum is σ = 74440055844. Its totient is φ = 12004800000.

The previous prime is 30012199951. The next prime is 30012200087. The reversal of 30012200000 is 221003.

It can be written as a sum of positive squares in 6 ways, for example, as 19260998656 + 10751201344 = 138784^2 + 103688^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

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, 124970 + ... + 275030.

It is an arithmetic number, because the mean of its divisors is an integer number (886191141).

Almost surely, 2^30012200000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30012200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37220027922).

30012200000 is an abundant number, since it is smaller than the sum of its proper divisors (44427855844).

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

30012200000 is an frugal number, since it uses more digits than its factorization.

30012200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150098 (or 150068 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 30012200000 its reverse (221003), we get a palindrome (30012421003).

The spelling of 30012200000 in words is "thirty billion, twelve million, two hundred thousand".