212012222221120 has 112 divisors (see below), whose sum is σ = 516606915496320. Its totient is φ = 82830755137536.

The previous prime is 212012222221043. The next prime is 212012222221153. The reversal of 212012222221120 is 21122222210212.

It is a super-2 number, since 2×212012222221120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212012222221091 and 212012222221100.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 687061426 + ... + 687369934.

Almost surely, 2^{212012222221120} is an apocalyptic number.

212012222221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012222221120 is an abundant number, since it is smaller than the sum of its proper divisors (304594693275200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212012222221120 is a wasteful number, since it uses less digits than its factorization.

212012222221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358512 (or 358502 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212012222221120 its reverse (21122222210212), we get a palindrome (233134444431332).

The spelling of 212012222221120 in words is "two hundred twelve trillion, twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty".