211212212321068 has 24 divisors (see below), whose sum is σ = 422543720074784. Its totient is φ = 90493956259200.

The previous prime is 211212212321023. The next prime is 211212212321069. The reversal of 211212212321068 is 860123212212112.

It is a super-2 number, since 2×211212212321068² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211212212321069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065036873 + ... + 1065235168.

Almost surely, 2^{211212212321068} is an apocalyptic number.

211212212321068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

211212212321068 is an abundant number, since it is smaller than the sum of its proper divisors (211331507753716).

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

211212212321068 is a wasteful number, since it uses less digits than its factorization.

211212212321068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130275593 (or 2130275591 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 211212212321068 in words is "two hundred eleven trillion, two hundred twelve billion, two hundred twelve million, three hundred twenty-one thousand, sixty-eight".