210120122001012 has 24 divisors (see below), whose sum is σ = 490330626895200. Its totient is φ = 70032848920416.

The previous prime is 210120122001007. The next prime is 210120122001017. The reversal of 210120122001012 is 210100221021012.

It is an interprime number because it is at equal distance from previous prime (210120122001007) and next prime (210120122001017).

It is a junction number, because it is equal to n+sod(n) for n = 210120122000982 and 210120122001000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120122001017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898846587 + ... + 899080322.

It is an arithmetic number, because the mean of its divisors is an integer number (20430442787300).

Almost surely, 2^{210120122001012} is an apocalyptic number.

It is an amenable number.

210120122001012 is an abundant number, since it is smaller than the sum of its proper divisors (280210504894188).

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

210120122001012 is a wasteful number, since it uses less digits than its factorization.

210120122001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797936655 (or 1797936653 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210120122001012 its reverse (210100221021012), we get a palindrome (420220343022024).

The spelling of 210120122001012 in words is "two hundred ten trillion, one hundred twenty billion, one hundred twenty-two million, one thousand, twelve".