212103332130 has 128 divisors (see below), whose sum is σ = 556000945920. Its totient is φ = 51597803520.

The previous prime is 212103332099. The next prime is 212103332141. The reversal of 212103332130 is 31233301212.

It is a junction number, because it is equal to n+sod(n) for n = 212103332097 and 212103332106.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1993890 + ... + 2097570.

It is an arithmetic number, because the mean of its divisors is an integer number (4343757390).

Almost surely, 2^212103332130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212103332130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278000472960).

212103332130 is an abundant number, since it is smaller than the sum of its proper divisors (343897613790).

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

212103332130 is a wasteful number, since it uses less digits than its factorization.

212103332130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103844.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212103332130 its reverse (31233301212), we get a palindrome (243336633342).

The spelling of 212103332130 in words is "two hundred twelve billion, one hundred three million, three hundred thirty-two thousand, one hundred thirty".