212012102121022 has 32 divisors (see below), whose sum is σ = 389152607463360. Its totient is φ = 84556615925760.

The previous prime is 212012102121007. The next prime is 212012102121049. The reversal of 212012102121022 is 220121201210212.

It is a super-2 number, since 2×212012102121022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5004513379 + ... + 5004555742.

It is an arithmetic number, because the mean of its divisors is an integer number (12161018983230).

Almost surely, 2^{212012102121022} is an apocalyptic number.

212012102121022 is a deficient number, since it is larger than the sum of its proper divisors (177140505342338).

212012102121022 is a wasteful number, since it uses less digits than its factorization.

212012102121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10009069236.

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

Adding to 212012102121022 its reverse (220121201210212), we get a palindrome (432133303331234).

The spelling of 212012102121022 in words is "two hundred twelve trillion, twelve billion, one hundred two million, one hundred twenty-one thousand, twenty-two".