212444303130 has 48 divisors (see below), whose sum is σ = 552400607304. Its totient is φ = 56647155840.

The previous prime is 212444303119. The next prime is 212444303131. The reversal of 212444303130 is 31303444212.

212444303130 is a `hidden beast` number, since 212 + 4 + 4 + 430 + 3 + 13 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 203779113561 + 8665189569 = 451419^2 + 93087^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212444303094 and 212444303103.

It is not an unprimeable number, because it can be changed into a prime (212444303131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1082800 + ... + 1263860.

Almost surely, 2^212444303130 is an apocalyptic number.

212444303130 is an abundant number, since it is smaller than the sum of its proper divisors (339956304174).

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

212444303130 is a wasteful number, since it uses less digits than its factorization.

212444303130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194111 (or 194108 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 212444303130 its reverse (31303444212), we get a palindrome (243747747342).

The spelling of 212444303130 in words is "two hundred twelve billion, four hundred forty-four million, three hundred three thousand, one hundred thirty".