1012230120 has 128 divisors (see below), whose sum is σ = 3320403840. Its totient is φ = 244823040.

The previous prime is 1012230113. The next prime is 1012230169. The reversal of 1012230120 is 210322101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1012230096 and 1012230105.

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 31 ways as a sum of consecutive naturals, for example, 998734 + ... + 999746.

It is an arithmetic number, because the mean of its divisors is an integer number (25940655).

Almost surely, 2^1012230120 is an apocalyptic number.

1012230120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660201920).

1012230120 is an abundant number, since it is smaller than the sum of its proper divisors (2308173720).

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

1012230120 is a wasteful number, since it uses less digits than its factorization.

1012230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1012230120 is about 31815.5641156966. The cubic root of 1012230120 is about 1004.0601991385.

Adding to 1012230120 its reverse (210322101), we get a palindrome (1222552221).

It can be divided in two parts, 1012 and 230120, that added together give a palindrome (231132).

The spelling of 1012230120 in words is "one billion, twelve million, two hundred thirty thousand, one hundred twenty".