212131012130 has 32 divisors (see below), whose sum is σ = 390058398720. Its totient is φ = 83026077120.

The previous prime is 212131012099. The next prime is 212131012133. The reversal of 212131012130 is 31210131212.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212131012099 and 212131012108.

It is not an unprimeable number, because it can be changed into a prime (212131012133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1877276 + ... + 1987064.

It is an arithmetic number, because the mean of its divisors is an integer number (12189324960).

Almost surely, 2^212131012130 is an apocalyptic number.

212131012130 is a deficient number, since it is larger than the sum of its proper divisors (177927386590).

212131012130 is a wasteful number, since it uses less digits than its factorization.

212131012130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113954.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212131012130 its reverse (31210131212), we get a palindrome (243341143342).

The spelling of 212131012130 in words is "two hundred twelve billion, one hundred thirty-one million, twelve thousand, one hundred thirty".