211212010122 has 32 divisors (see below), whose sum is σ = 444422389824. Its totient is φ = 66830428800.

The previous prime is 211212010103. The next prime is 211212010169. The reversal of 211212010122 is 221010212112.

It is a super-2 number, since 2×211212010122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11593404 + ... + 11611607.

It is an arithmetic number, because the mean of its divisors is an integer number (13888199682).

Almost surely, 2^211212010122 is an apocalyptic number.

211212010122 is an abundant number, since it is smaller than the sum of its proper divisors (233210379702).

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

211212010122 is a wasteful number, since it uses less digits than its factorization.

211212010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23205094.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211212010122 its reverse (221010212112), we get a palindrome (432222222234).

The spelling of 211212010122 in words is "two hundred eleven billion, two hundred twelve million, ten thousand, one hundred twenty-two".