2120351202245 has 16 divisors (see below), whose sum is σ = 2558004157440. Its totient is φ = 1687227633600.

The previous prime is 2120351202191. The next prime is 2120351202251. The reversal of 2120351202245 is 5422021530212.

It is a happy number.

It is not a de Polignac number, because 2120351202245 - 2¹² = 2120351198149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9689135 + ... + 9905555.

It is an arithmetic number, because the mean of its divisors is an integer number (159875259840).

Almost surely, 2^{2120351202245} is an apocalyptic number.

It is an amenable number.

2120351202245 is a deficient number, since it is larger than the sum of its proper divisors (437652955195).

2120351202245 is a wasteful number, since it uses less digits than its factorization.

2120351202245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226876.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 2120351202245 its reverse (5422021530212), we get a palindrome (7542372732457).

The spelling of 2120351202245 in words is "two trillion, one hundred twenty billion, three hundred fifty-one million, two hundred two thousand, two hundred forty-five".