1220010512 has 80 divisors (see below), whose sum is σ = 2823033600. Its totient is φ = 499699200.

The previous prime is 1220010511. The next prime is 1220010521. The reversal of 1220010512 is 2150100221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1220010511) 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 15 ways as a sum of consecutive naturals, for example, 326189 + ... + 329907.

It is an arithmetic number, because the mean of its divisors is an integer number (35287920).

Almost surely, 2^1220010512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220010512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411516800).

1220010512 is an abundant number, since it is smaller than the sum of its proper divisors (1603023088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220010512 is a wasteful number, since it uses less digits than its factorization.

1220010512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1220010512 is about 34928.6488716641. The cubic root of 1220010512 is about 1068.5327990976.

Adding to 1220010512 its reverse (2150100221), we get a palindrome (3370110733).

The spelling of 1220010512 in words is "one billion, two hundred twenty million, ten thousand, five hundred twelve".