30000212000 has 96 divisors (see below), whose sum is σ = 80411595264. Its totient is φ = 10909152000.

The previous prime is 30000211999. The next prime is 30000212003. The reversal of 30000212000 is 21200003.

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

It is not an unprimeable number, because it can be changed into a prime (30000212003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296912 + ... + 384911.

It is an arithmetic number, because the mean of its divisors is an integer number (837620784).

Almost surely, 2^30000212000 is an apocalyptic number.

It is an amenable number.

30000212000 is an abundant number, since it is smaller than the sum of its proper divisors (50411383264).

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

30000212000 is a wasteful number, since it uses less digits than its factorization.

30000212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681859 (or 681841 counting only the distinct ones).

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

Adding to 30000212000 its reverse (21200003), we get a palindrome (30021412003).

The spelling of 30000212000 in words is "thirty billion, two hundred twelve thousand".