1220112130 has 8 divisors (see below), whose sum is σ = 2196201852. Its totient is φ = 488044848.

The previous prime is 1220112121. The next prime is 1220112133. The reversal of 1220112130 is 312110221.

It can be written as a sum of positive squares in 2 ways, for example, as 1203326721 + 16785409 = 34689^2 + 4097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1220112130.

It is not an unprimeable number, because it can be changed into a prime (1220112133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61005597 + ... + 61005616.

Almost surely, 2^1220112130 is an apocalyptic number.

1220112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220112130 is a deficient number, since it is larger than the sum of its proper divisors (976089722).

1220112130 is a wasteful number, since it uses less digits than its factorization.

1220112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122011220.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1220112130 is about 34930.1034925464. The cubic root of 1220112130 is about 1068.5624652768.

Adding to 1220112130 its reverse (312110221), we get a palindrome (1532222351).

The spelling of 1220112130 in words is "one billion, two hundred twenty million, one hundred twelve thousand, one hundred thirty".