1012100122 has 16 divisors (see below), whose sum is σ = 1660689792. Its totient is φ = 458788320.

The previous prime is 1012100039. The next prime is 1012100123. The reversal of 1012100122 is 2210012101.

1012100122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1012100099 and 1012100108.

It is not an unprimeable number, because it can be changed into a prime (1012100123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54603 + ... + 70750.

It is an arithmetic number, because the mean of its divisors is an integer number (103793112).

Almost surely, 2^1012100122 is an apocalyptic number.

1012100122 is a deficient number, since it is larger than the sum of its proper divisors (648589670).

1012100122 is a wasteful number, since it uses less digits than its factorization.

1012100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125733.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1012100122 is about 31813.5210563056. The cubic root of 1012100122 is about 1004.0172143787.

Adding to 1012100122 its reverse (2210012101), we get a palindrome (3222112223).

The spelling of 1012100122 in words is "one billion, twelve million, one hundred thousand, one hundred twenty-two".