30310011212 has 192 divisors, whose sum is σ = 65840947200. Its totient is φ = 12055080960.

The previous prime is 30310011211. The next prime is 30310011217. The reversal of 30310011212 is 21211001303.

It is not an unprimeable number, because it can be changed into a prime (30310011211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70324637 + ... + 70325067.

It is an arithmetic number, because the mean of its divisors is an integer number (342921600).

Almost surely, 2^30310011212 is an apocalyptic number.

It is an amenable number.

30310011212 is an abundant number, since it is smaller than the sum of its proper divisors (35530935988).

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

30310011212 is a wasteful number, since it uses less digits than its factorization.

30310011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30310011212 its reverse (21211001303), we get a palindrome (51521012515).

Subtracting from 30310011212 its reverse (21211001303), we obtain a palindrome (9099009909).

The spelling of 30310011212 in words is "thirty billion, three hundred ten million, eleven thousand, two hundred twelve".