122211200000312 has 8 divisors (see below), whose sum is σ = 229146000000600. Its totient is φ = 61105600000152.

The previous prime is 122211200000213. The next prime is 122211200000321. The reversal of 122211200000312 is 213000002112221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7638200000012 + ... + 7638200000027.

It is an arithmetic number, because the mean of its divisors is an integer number (28643250000075).

Almost surely, 2^{122211200000312} is an apocalyptic number.

It is an amenable number.

122211200000312 is a deficient number, since it is larger than the sum of its proper divisors (106934800000288).

122211200000312 is a wasteful number, since it uses less digits than its factorization.

122211200000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15276400000045 (or 15276400000041 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 122211200000312 its reverse (213000002112221), we get a palindrome (335211202112533).

The spelling of 122211200000312 in words is "one hundred twenty-two trillion, two hundred eleven billion, two hundred million, three hundred twelve", and thus it is an aban number.