1220310232130 has 48 divisors (see below), whose sum is σ = 2419683167160. Its totient is φ = 442777969920.

The previous prime is 1220310232123. The next prime is 1220310232139. The reversal of 1220310232130 is 312320130221.

It can be written as a sum of positive squares in 4 ways, for example, as 1211379793129 + 8930439001 = 1100627^2 + 94501^2 .

It is not an unprimeable number, because it can be changed into a prime (1220310232139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550445 + ... + 1656384.

Almost surely, 2^{1220310232130} is an apocalyptic number.

1220310232130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220310232130 is a deficient number, since it is larger than the sum of its proper divisors (1199372935030).

1220310232130 is a wasteful number, since it uses less digits than its factorization.

1220310232130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207315 (or 2207304 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1220310232130 its reverse (312320130221), we get a palindrome (1532630362351).

The spelling of 1220310232130 in words is "one trillion, two hundred twenty billion, three hundred ten million, two hundred thirty-two thousand, one hundred thirty".