1220310121130 has 32 divisors (see below), whose sum is σ = 2199633045120. Its totient is φ = 487441001920.

The previous prime is 1220310121103. The next prime is 1220310121141. The reversal of 1220310121130 is 311210130221.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1220310121099 and 1220310121108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50420192 + ... + 50444388.

It is an arithmetic number, because the mean of its divisors is an integer number (68738532660).

Almost surely, 2^{1220310121130} is an apocalyptic number.

1220310121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220310121130 is a deficient number, since it is larger than the sum of its proper divisors (979322923990).

1220310121130 is a wasteful number, since it uses less digits than its factorization.

1220310121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31054.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1220310121130 its reverse (311210130221), we get a palindrome (1531520251351).

Subtracting from 1220310121130 its reverse (311210130221), we obtain a palindrome (909099990909).

The spelling of 1220310121130 in words is "one trillion, two hundred twenty billion, three hundred ten million, one hundred twenty-one thousand, one hundred thirty".