30012321204 has 60 divisors (see below), whose sum is σ = 78602033664. Its totient is φ = 9985759056.

The previous prime is 30012321197. The next prime is 30012321217. The reversal of 30012321204 is 40212321003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 92557 + ... + 261899.

Almost surely, 2^30012321204 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 30012321204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39301016832).

30012321204 is an abundant number, since it is smaller than the sum of its proper divisors (48589712460).

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

30012321204 is a wasteful number, since it uses less digits than its factorization.

30012321204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169906 (or 169895 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30012321204 its reverse (40212321003), we get a palindrome (70224642207).

The spelling of 30012321204 in words is "thirty billion, twelve million, three hundred twenty-one thousand, two hundred four".