2145200001016 has 64 divisors (see below), whose sum is σ = 4114627231680. Its totient is φ = 1048323686400.

The previous prime is 2145200000953. The next prime is 2145200001019. The reversal of 2145200001016 is 6101000025412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145200001019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20465941 + ... + 20570491.

It is an arithmetic number, because the mean of its divisors is an integer number (64291050495).

Almost surely, 2^{2145200001016} is an apocalyptic number.

It is an amenable number.

2145200001016 is a deficient number, since it is larger than the sum of its proper divisors (1969427230664).

2145200001016 is a wasteful number, since it uses less digits than its factorization.

2145200001016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104984 (or 104980 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 2145200001016 its reverse (6101000025412), we get a palindrome (8246200026428).

The spelling of 2145200001016 in words is "two trillion, one hundred forty-five billion, two hundred million, one thousand, sixteen".