2122003012 has 12 divisors (see below), whose sum is σ = 3719127916. Its totient is φ = 1059395040.

The previous prime is 2122002901. The next prime is 2122003043. The reversal of 2122003012 is 2103002212.

It can be written as a sum of positive squares in 2 ways, for example, as 1782190656 + 339812356 = 42216^2 + 18434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2122002983 and 2122003001.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 398643 + ... + 403930.

Almost surely, 2^2122003012 is an apocalyptic number.

It is an amenable number.

2122003012 is a deficient number, since it is larger than the sum of its proper divisors (1597124904).

2122003012 is a wasteful number, since it uses less digits than its factorization.

2122003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803238 (or 803236 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2122003012 is about 46065.2039179249. The cubic root of 2122003012 is about 1285.0361109627.

Adding to 2122003012 its reverse (2103002212), we get a palindrome (4225005224).

The spelling of 2122003012 in words is "two billion, one hundred twenty-two million, three thousand, twelve".