212001121210120 has 64 divisors (see below), whose sum is σ = 520382369687040. Its totient is φ = 77088949209600.

The previous prime is 212001121210111. The next prime is 212001121210139. The reversal of 212001121210120 is 21012121100212.

It is a junction number, because it is equal to n+sod(n) for n = 212001121210094 and 212001121210103.

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, 6976105 + ... + 21740935.

It is an arithmetic number, because the mean of its divisors is an integer number (8130974526360).

Almost surely, 2^{212001121210120} is an apocalyptic number.

212001121210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212001121210120 is an abundant number, since it is smaller than the sum of its proper divisors (308381248476920).

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

212001121210120 is a wasteful number, since it uses less digits than its factorization.

212001121210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14797486 (or 14797482 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212001121210120 its reverse (21012121100212), we get a palindrome (233013242310332).

The spelling of 212001121210120 in words is "two hundred twelve trillion, one billion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty".