30313210111212 has 24 divisors (see below), whose sum is σ = 80835226963456. Its totient is φ = 8660917174608.

The previous prime is 30313210111193. The next prime is 30313210111307. The reversal of 30313210111212 is 21211101231303.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180435774388 + ... + 180435774555.

Almost surely, 2^{30313210111212} is an apocalyptic number.

It is an amenable number.

30313210111212 is an abundant number, since it is smaller than the sum of its proper divisors (50522016852244).

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

30313210111212 is a wasteful number, since it uses less digits than its factorization.

30313210111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360871548957 (or 360871548955 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 30313210111212 its reverse (21211101231303), we get a palindrome (51524311342515).

The spelling of 30313210111212 in words is "thirty trillion, three hundred thirteen billion, two hundred ten million, one hundred eleven thousand, two hundred twelve".