30212122000 has 40 divisors (see below), whose sum is σ = 73052915832. Its totient is φ = 12084848000.

The previous prime is 30212121997. The next prime is 30212122001. The reversal of 30212122000 is 22121203.

It can be written as a sum of positive squares in 4 ways, for example, as 215267584 + 29996854416 = 14672^2 + 173196^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (30212122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7551031 + ... + 7555030.

Almost surely, 2^30212122000 is an apocalyptic number.

It is an amenable number.

30212122000 is an abundant number, since it is smaller than the sum of its proper divisors (42840793832).

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

30212122000 is a wasteful number, since it uses less digits than its factorization.

30212122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15106084 (or 15106068 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 30212122000 its reverse (22121203), we get a palindrome (30234243203).

The spelling of 30212122000 in words is "thirty billion, two hundred twelve million, one hundred twenty-two thousand".