212010220126 has 4 divisors (see below), whose sum is σ = 318015330192. Its totient is φ = 106005110062.

The previous prime is 212010220087. The next prime is 212010220127. The reversal of 212010220126 is 621022010212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010220127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53002555030 + ... + 53002555033.

It is an arithmetic number, because the mean of its divisors is an integer number (79503832548).

Almost surely, 2^212010220126 is an apocalyptic number.

212010220126 is a deficient number, since it is larger than the sum of its proper divisors (106005110066).

212010220126 is a wasteful number, since it uses less digits than its factorization.

212010220126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106005110065.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212010220126 its reverse (621022010212), we get a palindrome (833032230338).

The spelling of 212010220126 in words is "two hundred twelve billion, ten million, two hundred twenty thousand, one hundred twenty-six".