210001201222212 has 36 divisors (see below), whose sum is σ = 530852320043136. Its totient is φ = 69998297072880.

The previous prime is 210001201222201. The next prime is 210001201222231. The reversal of 210001201222212 is 212222102100012.

It is a happy number.

210001201222212 is a `hidden beast` number, since 210 + 0 + 0 + 1 + 20 + 1 + 222 + 212 = 666.

210001201222212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86423964 + ... + 88820627.

It is an arithmetic number, because the mean of its divisors is an integer number (14745897778976).

Almost surely, 2^{210001201222212} is an apocalyptic number.

It is an amenable number.

210001201222212 is an abundant number, since it is smaller than the sum of its proper divisors (320851118820924).

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

210001201222212 is a wasteful number, since it uses less digits than its factorization.

210001201222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175277888 (or 175277883 counting only the distinct ones).

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

Adding to 210001201222212 its reverse (212222102100012), we get a palindrome (422223303322224).

The spelling of 210001201222212 in words is "two hundred ten trillion, one billion, two hundred one million, two hundred twenty-two thousand, two hundred twelve".