20210210012120 has 32 divisors (see below), whose sum is σ = 45497199106800. Its totient is φ = 8079777057408.

The previous prime is 20210210012117. The next prime is 20210210012123. The reversal of 20210210012120 is 2121001201202.

It is an interprime number because it is at equal distance from previous prime (20210210012117) and next prime (20210210012123).

It is a junction number, because it is equal to n+sod(n) for n = 20210210012095 and 20210210012104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210210012123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134516090 + ... + 134666249.

Almost surely, 2^{20210210012120} is an apocalyptic number.

20210210012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210210012120 is an abundant number, since it is smaller than the sum of its proper divisors (25286989094680).

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

20210210012120 is a wasteful number, since it uses less digits than its factorization.

20210210012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269184227 (or 269184223 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20210210012120 its reverse (2121001201202), we get a palindrome (22331211213322).

The spelling of 20210210012120 in words is "twenty trillion, two hundred ten billion, two hundred ten million, twelve thousand, one hundred twenty".