212630443044 has 24 divisors (see below), whose sum is σ = 496737648288. Its totient is φ = 70791107520.

The previous prime is 212630443027. The next prime is 212630443073. The reversal of 212630443044 is 440344036212.

It is a super-3 number, since 3×212630443044³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212630442996 and 212630443014.

It is an unprimeable number.

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, 10703017 + ... + 10722864.

It is an arithmetic number, because the mean of its divisors is an integer number (20697402012).

Almost surely, 2^212630443044 is an apocalyptic number.

It is an amenable number.

212630443044 is an abundant number, since it is smaller than the sum of its proper divisors (284107205244).

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

212630443044 is a wasteful number, since it uses less digits than its factorization.

212630443044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21426715 (or 21426713 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 212630443044 its reverse (440344036212), we get a palindrome (652974479256).

The spelling of 212630443044 in words is "two hundred twelve billion, six hundred thirty million, four hundred forty-three thousand, forty-four".