122020200105 has 32 divisors (see below), whose sum is σ = 208109107200. Its totient is φ = 60871891392.

The previous prime is 122020200101. The next prime is 122020200157. The reversal of 122020200105 is 501002020221.

It is not a de Polignac number, because 122020200105 - 2² = 122020200101 is a prime.

It is a super-2 number, since 2×122020200105² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (122020200101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2687239 + ... + 2732268.

It is an arithmetic number, because the mean of its divisors is an integer number (6503409600).

Almost surely, 2^122020200105 is an apocalyptic number.

122020200105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122020200105 is a deficient number, since it is larger than the sum of its proper divisors (86088907095).

122020200105 is a wasteful number, since it uses less digits than its factorization.

122020200105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419613.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 122020200105 its reverse (501002020221), we get a palindrome (623022220326).

The spelling of 122020200105 in words is "one hundred twenty-two billion, twenty million, two hundred thousand, one hundred five".