122222111021012 has 12 divisors (see below), whose sum is σ = 213888814586496. Its totient is φ = 61111021139160.

The previous prime is 122222111021009. The next prime is 122222111021027. The reversal of 122222111021012 is 210120111222221.

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, 470087 + ... + 15641777.

It is an arithmetic number, because the mean of its divisors is an integer number (17824067882208).

Almost surely, 2^{122222111021012} is an apocalyptic number.

It is an amenable number.

122222111021012 is a deficient number, since it is larger than the sum of its proper divisors (91666703565484).

122222111021012 is a wasteful number, since it uses less digits than its factorization.

122222111021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17185678 (or 17185676 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122222111021012 its reverse (210120111222221), we get a palindrome (332342222243233).

The spelling of 122222111021012 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred eleven million, twenty-one thousand, twelve".