122221100120012 has 6 divisors (see below), whose sum is σ = 213886925210028. Its totient is φ = 61110550060004.

The previous prime is 122221100119973. The next prime is 122221100120027. The reversal of 122221100120012 is 210021001122221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15277637514998 + ... + 15277637515005.

It is an arithmetic number, because the mean of its divisors is an integer number (35647820868338).

Almost surely, 2^{122221100120012} is an apocalyptic number.

It is an amenable number.

122221100120012 is a deficient number, since it is larger than the sum of its proper divisors (91665825090016).

122221100120012 is a wasteful number, since it uses less digits than its factorization.

122221100120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30555275030007 (or 30555275030005 counting only the distinct ones).

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

Adding to 122221100120012 its reverse (210021001122221), we get a palindrome (332242101242233).

The spelling of 122221100120012 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred million, one hundred twenty thousand, twelve".