212240430030 has 32 divisors (see below), whose sum is σ = 509483520000. Its totient is φ = 56585616032.

The previous prime is 212240430029. The next prime is 212240430049. The reversal of 212240430030 is 30034042212.

It is a junction number, because it is equal to n+sod(n) for n = 212240429979 and 212240430006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593130 + ... + 881069.

It is an arithmetic number, because the mean of its divisors is an integer number (15921360000).

Almost surely, 2^212240430030 is an apocalyptic number.

212240430030 is an abundant number, since it is smaller than the sum of its proper divisors (297243089970).

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

212240430030 is a wasteful number, since it uses less digits than its factorization.

212240430030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479008.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 212240430030 its reverse (30034042212), we get a palindrome (242274472242).

The spelling of 212240430030 in words is "two hundred twelve billion, two hundred forty million, four hundred thirty thousand, thirty".