122400044211 has 16 divisors (see below), whose sum is σ = 167658903200. Its totient is φ = 79371871488.

The previous prime is 122400044197. The next prime is 122400044233. The reversal of 122400044211 is 112440004221.

It is not a de Polignac number, because 122400044211 - 2¹⁵ = 122400011443 is a prime.

It is a super-2 number, since 2×122400044211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122400054211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235485 + ... + 547953.

It is an arithmetic number, because the mean of its divisors is an integer number (10478681450).

Almost surely, 2^122400044211 is an apocalyptic number.

122400044211 is a deficient number, since it is larger than the sum of its proper divisors (45258858989).

122400044211 is a wasteful number, since it uses less digits than its factorization.

122400044211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316038.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122400044211 its reverse (112440004221), we get a palindrome (234840048432).

The spelling of 122400044211 in words is "one hundred twenty-two billion, four hundred million, forty-four thousand, two hundred eleven".