211212000011 has 8 divisors (see below), whose sum is σ = 216145628160. Its totient is φ = 206279359272.

The previous prime is 211212000001. The next prime is 211212000019. The reversal of 211212000011 is 110000212112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211212000011 - 2³⁴ = 194032130827 is a prime.

It is a super-2 number, since 2×211212000011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211211999956 and 211212000001.

It is not an unprimeable number, because it can be changed into a prime (211212000019) 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, 195086 + ... + 678588.

It is an arithmetic number, because the mean of its divisors is an integer number (27018203520).

Almost surely, 2^211212000011 is an apocalyptic number.

211212000011 is a deficient number, since it is larger than the sum of its proper divisors (4933628149).

211212000011 is a wasteful number, since it uses less digits than its factorization.

211212000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493705.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211212000011 its reverse (110000212112), we get a palindrome (321212212123).

The spelling of 211212000011 in words is "two hundred eleven billion, two hundred twelve million, eleven", and thus it is an aban number.