212003202122 has 16 divisors (see below), whose sum is σ = 318519077760. Its totient is φ = 105830254992.

The previous prime is 212003202113. The next prime is 212003202143. The reversal of 212003202122 is 221202300212.

It is a self number, because there is not a number n which added to its sum of digits gives 212003202122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6124379 + ... + 6158897.

It is an arithmetic number, because the mean of its divisors is an integer number (19907442360).

Almost surely, 2^212003202122 is an apocalyptic number.

212003202122 is a deficient number, since it is larger than the sum of its proper divisors (106515875638).

212003202122 is a wasteful number, since it uses less digits than its factorization.

212003202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39397.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212003202122 its reverse (221202300212), we get a palindrome (433205502334).

The spelling of 212003202122 in words is "two hundred twelve billion, three million, two hundred two thousand, one hundred twenty-two".