212012102130 has 64 divisors (see below), whose sum is σ = 519908433408. Its totient is φ = 55306690560.

The previous prime is 212012102123. The next prime is 212012102233. The reversal of 212012102130 is 31201210212.

212012102130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2943750 + ... + 3014910.

It is an arithmetic number, because the mean of its divisors is an integer number (8123569272).

Almost surely, 2^212012102130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212012102130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259954216704).

212012102130 is an abundant number, since it is smaller than the sum of its proper divisors (307896331278).

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

212012102130 is a wasteful number, since it uses less digits than its factorization.

212012102130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73331.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212012102130 its reverse (31201210212), we get a palindrome (243213312342).

The spelling of 212012102130 in words is "two hundred twelve billion, twelve million, one hundred two thousand, one hundred thirty".