1012111230 has 32 divisors (see below), whose sum is σ = 2615919264. Its totient is φ = 249134976.

The previous prime is 1012111189. The next prime is 1012111231. The reversal of 1012111230 is 321112101.

It is a super-2 number, since 2×1012111230² = 2048738283784225800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012111231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297189 + ... + 1297968.

It is an arithmetic number, because the mean of its divisors is an integer number (81747477).

Almost surely, 2^1012111230 is an apocalyptic number.

1012111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012111230 is an abundant number, since it is smaller than the sum of its proper divisors (1603808034).

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

1012111230 is a wasteful number, since it uses less digits than its factorization.

1012111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595180.

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

The square root of 1012111230 is about 31813.6956356850. The cubic root of 1012111230 is about 1004.0208874614.

Adding to 1012111230 its reverse (321112101), we get a palindrome (1333223331).

The spelling of 1012111230 in words is "one billion, twelve million, one hundred eleven thousand, two hundred thirty".