1012113122 has 64 divisors (see below), whose sum is σ = 1698931584. Its totient is φ = 450278400.

The previous prime is 1012113121. The next prime is 1012113131. The reversal of 1012113122 is 2213112101.

It is a junction number, because it is equal to n+sod(n) for n = 1012113097 and 1012113106.

It is not an unprimeable number, because it can be changed into a prime (1012113121) by changing a digit.

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, 10020872 + ... + 10020972.

It is an arithmetic number, because the mean of its divisors is an integer number (26545806).

Almost surely, 2^1012113122 is an apocalyptic number.

1012113122 is a deficient number, since it is larger than the sum of its proper divisors (686818462).

1012113122 is a wasteful number, since it uses less digits than its factorization.

1012113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1012113122 is about 31813.7253712922. The cubic root of 1012113122 is about 1004.0215130864.

Adding to 1012113122 its reverse (2213112101), we get a palindrome (3225225223).

The spelling of 1012113122 in words is "one billion, twelve million, one hundred thirteen thousand, one hundred twenty-two".