211200120022212 has 72 divisors (see below), whose sum is σ = 534184216151040. Its totient is φ = 70358213640960.

The previous prime is 211200120022057. The next prime is 211200120022219. The reversal of 211200120022212 is 212220021002112.

It is a happy number.

211200120022212 is a `hidden beast` number, since 211 + 20 + 0 + 1 + 200 + 22 + 212 = 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 (211200120022219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 630689373 + ... + 631024155.

It is an arithmetic number, because the mean of its divisors is an integer number (7419225224320).

Almost surely, 2^{211200120022212} is an apocalyptic number.

It is an amenable number.

211200120022212 is an abundant number, since it is smaller than the sum of its proper divisors (322984096128828).

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

211200120022212 is a wasteful number, since it uses less digits than its factorization.

211200120022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345153 (or 345148 counting only the distinct ones).

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

Adding to 211200120022212 its reverse (212220021002112), we get a palindrome (423420141024324).

The spelling of 211200120022212 in words is "two hundred eleven trillion, two hundred billion, one hundred twenty million, twenty-two thousand, two hundred twelve".