2051353122 has 64 divisors (see below), whose sum is σ = 5057144064. Its totient is φ = 540195840.

The previous prime is 2051353121. The next prime is 2051353133. The reversal of 2051353122 is 2213531502.

It is a happy number.

It is a super-2 number, since 2×2051353122² = 8416099262278293768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2051353092 and 2051353101.

It is not an unprimeable number, because it can be changed into a prime (2051353121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413038 + ... + 417974.

It is an arithmetic number, because the mean of its divisors is an integer number (79017876).

Almost surely, 2^2051353122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051353122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2528572032).

2051353122 is an abundant number, since it is smaller than the sum of its proper divisors (3005790942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051353122 is a wasteful number, since it uses less digits than its factorization.

2051353122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2051353122 is about 45291.8659584698. The cubic root of 2051353122 is about 1270.6135300003.

Adding to 2051353122 its reverse (2213531502), we get a palindrome (4264884624).

The spelling of 2051353122 in words is "two billion, fifty-one million, three hundred fifty-three thousand, one hundred twenty-two".