30212220100 has 36 divisors (see below), whose sum is σ = 65587948804. Its totient is φ = 12079831680.

The previous prime is 30212220041. The next prime is 30212220109. The reversal of 30212220100 is 102221203.

It can be written as a sum of positive squares in 6 ways, for example, as 1540248516 + 28671971584 = 39246^2 + 169328^2 .

It is not an unprimeable number, because it can be changed into a prime (30212220109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181714 + ... + 305686.

Almost surely, 2^30212220100 is an apocalyptic number.

It is an amenable number.

30212220100 is an abundant number, since it is smaller than the sum of its proper divisors (35375728704).

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

30212220100 is a wasteful number, since it uses less digits than its factorization.

30212220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126424 (or 126417 counting only the distinct ones).

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

Adding to 30212220100 its reverse (102221203), we get a palindrome (30314441303).

The spelling of 30212220100 in words is "thirty billion, two hundred twelve million, two hundred twenty thousand, one hundred".