1012122003121 has 8 divisors (see below), whose sum is σ = 1039536584960. Its totient is φ = 984710575728.

The previous prime is 1012122003107. The next prime is 1012122003131. The reversal of 1012122003121 is 1213002212101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012122003121 - 2¹⁹ = 1012121478833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012122003095 and 1012122003104.

It is not an unprimeable number, because it can be changed into a prime (1012122003131) 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, 130881 + ... + 1428766.

It is an arithmetic number, because the mean of its divisors is an integer number (129942073120).

Almost surely, 2^{1012122003121} is an apocalyptic number.

It is an amenable number.

1012122003121 is a deficient number, since it is larger than the sum of its proper divisors (27414581839).

1012122003121 is a wasteful number, since it uses less digits than its factorization.

1012122003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577223.

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

Adding to 1012122003121 its reverse (1213002212101), we get a palindrome (2225124215222).

The spelling of 1012122003121 in words is "one trillion, twelve billion, one hundred twenty-two million, three thousand, one hundred twenty-one".