30031101212 has 12 divisors (see below), whose sum is σ = 60062202480. Its totient is φ = 12870471936.

The previous prime is 30031101209. The next prime is 30031101253. The reversal of 30031101212 is 21210113003.

30031101212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536269637 + ... + 536269692.

It is an arithmetic number, because the mean of its divisors is an integer number (5005183540).

Almost surely, 2^30031101212 is an apocalyptic number.

It is an amenable number.

30031101212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30031101212 is a wasteful number, since it uses less digits than its factorization.

30031101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072539340 (or 1072539338 counting only the distinct ones).

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

Adding to 30031101212 its reverse (21210113003), we get a palindrome (51241214215).

The spelling of 30031101212 in words is "thirty billion, thirty-one million, one hundred one thousand, two hundred twelve".