20212212111202 has 4 divisors (see below), whose sum is σ = 30318318166806. Its totient is φ = 10106106055600.

The previous prime is 20212212111191. The next prime is 20212212111257. The reversal of 20212212111202 is 20211121221202.

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

It can be written as a sum of positive squares in only one way, i.e., 16577999848881 + 3634212262321 = 4071609^2 + 1906361^2 .

It is a super-3 number, since 3×20212212111202³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20212212111202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053053027799 + ... + 5053053027802.

Almost surely, 2^{20212212111202} is an apocalyptic number.

20212212111202 is a deficient number, since it is larger than the sum of its proper divisors (10106106055604).

20212212111202 is a wasteful number, since it uses less digits than its factorization.

20212212111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106106055603.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20212212111202 its reverse (20211121221202), we get a palindrome (40423333332404).

The spelling of 20212212111202 in words is "twenty trillion, two hundred twelve billion, two hundred twelve million, one hundred eleven thousand, two hundred two".