122221002012 has 24 divisors (see below), whose sum is σ = 291814486656. Its totient is φ = 39792884208.

The previous prime is 122221002011. The next prime is 122221002067. The reversal of 122221002012 is 210200122221.

It is a junction number, because it is equal to n+sod(n) for n = 122221001982 and 122221002000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221002011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118430688 + ... + 118431719.

It is an arithmetic number, because the mean of its divisors is an integer number (12158936944).

Almost surely, 2^122221002012 is an apocalyptic number.

122221002012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122221002012 is an abundant number, since it is smaller than the sum of its proper divisors (169593484644).

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

122221002012 is a wasteful number, since it uses less digits than its factorization.

122221002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236862457 (or 236862455 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122221002012 its reverse (210200122221), we get a palindrome (332421124233).

The spelling of 122221002012 in words is "one hundred twenty-two billion, two hundred twenty-one million, two thousand, twelve".