211222212011212 has 12 divisors (see below), whose sum is σ = 369655444680256. Its totient is φ = 105606370674000.

The previous prime is 211222212011201. The next prime is 211222212011221. The reversal of 211222212011212 is 212110212222112.

It is a super-2 number, since 2×211222212011212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183732539 + ... + 1183910962.

Almost surely, 2^{211222212011212} is an apocalyptic number.

It is an amenable number.

211222212011212 is a deficient number, since it is larger than the sum of its proper divisors (158433232669044).

211222212011212 is a wasteful number, since it uses less digits than its factorization.

211222212011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367665808 (or 2367665806 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 211222212011212 its reverse (212110212222112), we get a palindrome (423332424233324).

The spelling of 211222212011212 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred twelve million, eleven thousand, two hundred twelve".