1012122003122 has 4 divisors (see below), whose sum is σ = 1518183004686. Its totient is φ = 506061001560.

The previous prime is 1012122003107. The next prime is 1012122003131. The reversal of 1012122003122 is 2213002212101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 815428866121 + 196693137001 = 903011^2 + 443501^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1012122003122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253030500779 + ... + 253030500782.

Almost surely, 2^{1012122003122} is an apocalyptic number.

1012122003122 is a deficient number, since it is larger than the sum of its proper divisors (506061001564).

1012122003122 is an equidigital number, since it uses as much as digits as its factorization.

1012122003122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506061001563.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1012122003122 its reverse (2213002212101), we get a palindrome (3225124215223).

The spelling of 1012122003122 in words is "one trillion, twelve billion, one hundred twenty-two million, three thousand, one hundred twenty-two".