212210200121120 has 24 divisors (see below), whose sum is σ = 501346597786524. Its totient is φ = 84884080048384.

The previous prime is 212210200121093. The next prime is 212210200121177. The reversal of 212210200121120 is 21121002012212.

It can be written as a sum of positive squares in 2 ways, for example, as 208700437675024 + 3509762446096 = 14446468^2 + 1873436^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663156875219 + ... + 663156875538.

Almost surely, 2^{212210200121120} is an apocalyptic number.

212210200121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210200121120 is an abundant number, since it is smaller than the sum of its proper divisors (289136397665404).

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

212210200121120 is a wasteful number, since it uses less digits than its factorization.

212210200121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326313750772 (or 1326313750764 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212210200121120 its reverse (21121002012212), we get a palindrome (233331202133332).

The spelling of 212210200121120 in words is "two hundred twelve trillion, two hundred ten billion, two hundred million, one hundred twenty-one thousand, one hundred twenty".