212120120120202 has 24 divisors (see below), whose sum is σ = 525249821250336. Its totient is φ = 60605748605736.

The previous prime is 212120120120159. The next prime is 212120120120203. The reversal of 212120120120202 is 202021021021212.

It is a happy number.

212120120120202 is a `hidden beast` number, since 2 + 121 + 201 + 20 + 120 + 202 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (212120120120203) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 841746508288 + ... + 841746508539.

It is an arithmetic number, because the mean of its divisors is an integer number (21885409218764).

Almost surely, 2^{212120120120202} is an apocalyptic number.

212120120120202 is an abundant number, since it is smaller than the sum of its proper divisors (313129701130134).

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

212120120120202 is a wasteful number, since it uses less digits than its factorization.

212120120120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683493016842 (or 1683493016839 counting only the distinct ones).

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

Adding to 212120120120202 its reverse (202021021021212), we get a palindrome (414141141141414).

The spelling of 212120120120202 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty thousand, two hundred two".