30213000212 has 6 divisors (see below), whose sum is σ = 52872750378. Its totient is φ = 15106500104.

The previous prime is 30213000211. The next prime is 30213000217. The reversal of 30213000212 is 21200031203.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29496688516 + 716311696 = 171746^2 + 26764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213000211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3776625023 + ... + 3776625030.

It is an arithmetic number, because the mean of its divisors is an integer number (8812125063).

Almost surely, 2^30213000212 is an apocalyptic number.

It is an amenable number.

30213000212 is a deficient number, since it is larger than the sum of its proper divisors (22659750166).

30213000212 is a wasteful number, since it uses less digits than its factorization.

30213000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7553250057 (or 7553250055 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30213000212 its reverse (21200031203), we get a palindrome (51413031415).

The spelling of 30213000212 in words is "thirty billion, two hundred thirteen million, two hundred twelve", and thus it is an aban number.