211212012200122 has 8 divisors (see below), whose sum is σ = 318410068644000. Its totient is φ = 105075322652124.

The previous prime is 211212012200089. The next prime is 211212012200131. The reversal of 211212012200122 is 221002210212112.

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

It is a super-2 number, since 2×211212012200122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211212012200122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265341723472 + ... + 265341724267.

It is an arithmetic number, because the mean of its divisors is an integer number (39801258580500).

Almost surely, 2^{211212012200122} is an apocalyptic number.

211212012200122 is a deficient number, since it is larger than the sum of its proper divisors (107198056443878).

211212012200122 is a wasteful number, since it uses less digits than its factorization.

211212012200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530683447940.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211212012200122 its reverse (221002210212112), we get a palindrome (432214222412234).

The spelling of 211212012200122 in words is "two hundred eleven trillion, two hundred twelve billion, twelve million, two hundred thousand, one hundred twenty-two".