1220102012122 has 16 divisors (see below), whose sum is σ = 2121062654592. Its totient is φ = 515536061040.

The previous prime is 1220102012119. The next prime is 1220102012153. The reversal of 1220102012122 is 2212102010221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220102012096 and 1220102012105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613732413 + ... + 613734400.

It is an arithmetic number, because the mean of its divisors is an integer number (132566415912).

Almost surely, 2^{1220102012122} is an apocalyptic number.

1220102012122 is a deficient number, since it is larger than the sum of its proper divisors (900960642470).

1220102012122 is a wasteful number, since it uses less digits than its factorization.

1220102012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227466893.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220102012122 its reverse (2212102010221), we get a palindrome (3432204022343).

The spelling of 1220102012122 in words is "one trillion, two hundred twenty billion, one hundred two million, twelve thousand, one hundred twenty-two".