1220210012108 has 24 divisors (see below), whose sum is σ = 2138884866048. Its totient is φ = 609100227216.

The previous prime is 1220210012107. The next prime is 1220210012171. The reversal of 1220210012108 is 8012100120221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220210012108.

It is not an unprimeable number, because it can be changed into a prime (1220210012107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55294685 + ... + 55316747.

It is an arithmetic number, because the mean of its divisors is an integer number (89120202752).

Almost surely, 2^{1220210012108} is an apocalyptic number.

It is an amenable number.

1220210012108 is a deficient number, since it is larger than the sum of its proper divisors (918674853940).

1220210012108 is a wasteful number, since it uses less digits than its factorization.

1220210012108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44213 (or 44211 counting only the distinct ones).

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

Adding to 1220210012108 its reverse (8012100120221), we get a palindrome (9232310132329).

The spelling of 1220210012108 in words is "one trillion, two hundred twenty billion, two hundred ten million, twelve thousand, one hundred eight".