212423312130 has 16 divisors (see below), whose sum is σ = 509815949184. Its totient is φ = 56646216560.

The previous prime is 212423312083. The next prime is 212423312183. The reversal of 212423312130 is 31213324212.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212423312130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3540388506 + ... + 3540388565.

It is an arithmetic number, because the mean of its divisors is an integer number (31863496824).

Almost surely, 2^212423312130 is an apocalyptic number.

212423312130 is an abundant number, since it is smaller than the sum of its proper divisors (297392637054).

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

212423312130 is a wasteful number, since it uses less digits than its factorization.

212423312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080777081.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 212423312130 its reverse (31213324212), we get a palindrome (243636636342).

The spelling of 212423312130 in words is "two hundred twelve billion, four hundred twenty-three million, three hundred twelve thousand, one hundred thirty".