212131110202 has 64 divisors (see below), whose sum is σ = 352324836864. Its totient is φ = 94993093440.

The previous prime is 212131110199. The next prime is 212131110203. The reversal of 212131110202 is 202011131212.

It is not an unprimeable number, because it can be changed into a prime (212131110203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329908093 + ... + 329908735.

It is an arithmetic number, because the mean of its divisors is an integer number (5505075576).

Almost surely, 2^212131110202 is an apocalyptic number.

212131110202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212131110202 is a deficient number, since it is larger than the sum of its proper divisors (140193726662).

212131110202 is a wasteful number, since it uses less digits than its factorization.

212131110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212131110202 its reverse (202011131212), we get a palindrome (414142241414).

The spelling of 212131110202 in words is "two hundred twelve billion, one hundred thirty-one million, one hundred ten thousand, two hundred two".