122212423100 has 18 divisors (see below), whose sum is σ = 265200958344. Its totient is φ = 48884969200.

The previous prime is 122212423061. The next prime is 122212423103. The reversal of 122212423100 is 1324212221.

It is a super-2 number, since 2×122212423100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212423103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611062016 + ... + 611062215.

Almost surely, 2^122212423100 is an apocalyptic number.

122212423100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122212423100 is an abundant number, since it is smaller than the sum of its proper divisors (142988535244).

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

122212423100 is a wasteful number, since it uses less digits than its factorization.

122212423100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222124245 (or 1222124238 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 122212423100 its reverse (1324212221), we get a palindrome (123536635321).

The spelling of 122212423100 in words is "one hundred twenty-two billion, two hundred twelve million, four hundred twenty-three thousand, one hundred".