1012001312122 has 16 divisors (see below), whose sum is σ = 1519141062240. Its totient is φ = 505621078128.

The previous prime is 1012001312083. The next prime is 1012001312123. The reversal of 1012001312122 is 2212131002101.

It is a junction number, because it is equal to n+sod(n) for n = 1012001312096 and 1012001312105.

It is not an unprimeable number, because it can be changed into a prime (1012001312123) 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, 19043004 + ... + 19096072.

It is an arithmetic number, because the mean of its divisors is an integer number (94946316390).

Almost surely, 2^{1012001312122} is an apocalyptic number.

1012001312122 is a deficient number, since it is larger than the sum of its proper divisors (507139750118).

1012001312122 is a wasteful number, since it uses less digits than its factorization.

1012001312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60045.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1012001312122 its reverse (2212131002101), we get a palindrome (3224132314223).

The spelling of 1012001312122 in words is "one trillion, twelve billion, one million, three hundred twelve thousand, one hundred twenty-two".