122001221012 has 12 divisors (see below), whose sum is σ = 232911422016. Its totient is φ = 55455100440.

The previous prime is 122001221003. The next prime is 122001221039. The reversal of 122001221012 is 210122100221.

It is a congruent number.

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, 1386377468 + ... + 1386377555.

It is an arithmetic number, because the mean of its divisors is an integer number (19409285168).

Almost surely, 2^122001221012 is an apocalyptic number.

It is an amenable number.

122001221012 is a deficient number, since it is larger than the sum of its proper divisors (110910201004).

122001221012 is a wasteful number, since it uses less digits than its factorization.

122001221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772755038 (or 2772755036 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122001221012 its reverse (210122100221), we get a palindrome (332123321233).

The spelling of 122001221012 in words is "one hundred twenty-two billion, one million, two hundred twenty-one thousand, twelve".