122122402212 has 12 divisors (see below), whose sum is σ = 284952271856. Its totient is φ = 40707467400.

The previous prime is 122122402159. The next prime is 122122402229. The reversal of 122122402212 is 212204221221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×122122402212² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5088433414 + ... + 5088433437.

Almost surely, 2^122122402212 is an apocalyptic number.

122122402212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122122402212 is an abundant number, since it is smaller than the sum of its proper divisors (162829869644).

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

122122402212 is a wasteful number, since it uses less digits than its factorization.

122122402212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10176866858 (or 10176866856 counting only the distinct ones).

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

Adding to 122122402212 its reverse (212204221221), we get a palindrome (334326623433).

The spelling of 122122402212 in words is "one hundred twenty-two billion, one hundred twenty-two million, four hundred two thousand, two hundred twelve".