12220011222122 has 48 divisors (see below), whose sum is σ = 20642703772320. Its totient is φ = 5419301178720.

The previous prime is 12220011222119. The next prime is 12220011222149. The reversal of 12220011222122 is 22122211002221.

12220011222122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12220011222094 and 12220011222103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365468 + ... + 4957175.

It is an arithmetic number, because the mean of its divisors is an integer number (430056328590).

Almost surely, 2^{12220011222122} is an apocalyptic number.

12220011222122 is a deficient number, since it is larger than the sum of its proper divisors (8422692550198).

12220011222122 is a wasteful number, since it uses less digits than its factorization.

12220011222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322899 (or 5322888 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12220011222122 its reverse (22122211002221), we get a palindrome (34342222224343).

The spelling of 12220011222122 in words is "twelve trillion, two hundred twenty billion, eleven million, two hundred twenty-two thousand, one hundred twenty-two".