211012211230120 has 64 divisors (see below), whose sum is σ = 483948745146000. Its totient is φ = 82775840329728.

The previous prime is 211012211230091. The next prime is 211012211230217. The reversal of 211012211230120 is 21032112210112.

It can be written as a sum of positive squares in 8 ways, for example, as 12970931904324 + 198041279325796 = 3601518^2 + 14072714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17123185 + ... + 26743744.

Almost surely, 2^{211012211230120} is an apocalyptic number.

211012211230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211012211230120 is an abundant number, since it is smaller than the sum of its proper divisors (272936533915880).

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

211012211230120 is a wasteful number, since it uses less digits than its factorization.

211012211230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43869262 (or 43869258 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211012211230120 its reverse (21032112210112), we get a palindrome (232044323440232).

The spelling of 211012211230120 in words is "two hundred eleven trillion, twelve billion, two hundred eleven million, two hundred thirty thousand, one hundred twenty".