122122100012012 has 12 divisors (see below), whose sum is σ = 213713792378856. Its totient is φ = 61061016475200.

The previous prime is 122122100011999. The next prime is 122122100012021. The reversal of 122122100012012 is 210210001221221.

It is a super-2 number, since 2×122122100012012² (a number of 29 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, 971903 + ... + 15658505.

It is an arithmetic number, because the mean of its divisors is an integer number (17809482698238).

Almost surely, 2^{122122100012012} is an apocalyptic number.

It is an amenable number.

122122100012012 is a deficient number, since it is larger than the sum of its proper divisors (91591692366844).

122122100012012 is a wasteful number, since it uses less digits than its factorization.

122122100012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16765408 (or 16765406 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122122100012012 its reverse (210210001221221), we get a palindrome (332332101233233).

The spelling of 122122100012012 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred million, twelve thousand, twelve".