122001000212 has 24 divisors (see below), whose sum is σ = 262771385856. Its totient is φ = 48264131808.

The previous prime is 122001000211. The next prime is 122001000221. The reversal of 122001000212 is 212000100221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122001000193 and 122001000202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001000211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167583428 + ... + 167584155.

It is an arithmetic number, because the mean of its divisors is an integer number (10948807744).

Almost surely, 2^122001000212 is an apocalyptic number.

It is an amenable number.

122001000212 is an abundant number, since it is smaller than the sum of its proper divisors (140770385644).

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

122001000212 is a wasteful number, since it uses less digits than its factorization.

122001000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335167607 (or 335167605 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 122001000212 its reverse (212000100221), we get a palindrome (334001100433).

The spelling of 122001000212 in words is "one hundred twenty-two billion, one million, two hundred twelve", and thus it is an aban number.