210222012012120 has 48 divisors (see below), whose sum is σ = 683221539040560. Its totient is φ = 56059203203136.

The previous prime is 210222012012079. The next prime is 210222012012127. The reversal of 210222012012120 is 21210210222012.

It is a happy number.

210222012012120 is a `hidden beast` number, since 210 + 2 + 220 + 1 + 20 + 1 + 212 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210222012012093 and 210222012012102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210222012012127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291975016324 + ... + 291975017043.

It is an arithmetic number, because the mean of its divisors is an integer number (14233782063345).

Almost surely, 2^{210222012012120} is an apocalyptic number.

210222012012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210222012012120 is an abundant number, since it is smaller than the sum of its proper divisors (472999527028440).

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

210222012012120 is a wasteful number, since it uses less digits than its factorization.

210222012012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583950033384 (or 583950033377 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210222012012120 its reverse (21210210222012), we get a palindrome (231432222234132).

The spelling of 210222012012120 in words is "two hundred ten trillion, two hundred twenty-two billion, twelve million, twelve thousand, one hundred twenty".