2152123314345 has 96 divisors (see below), whose sum is σ = 3859853516064. Its totient is φ = 1108539801600.

The previous prime is 2152123314283. The next prime is 2152123314373. The reversal of 2152123314345 is 5434133212512.

2152123314345 is a `hidden beast` number, since 2 + 1 + 5 + 212 + 3 + 3 + 1 + 434 + 5 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 2149070972841 + 3052341504 = 1465971^2 + 55248^2 .

It is not a de Polignac number, because 2152123314345 - 2⁶ = 2152123314281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 183669427 + ... + 183681143.

It is an arithmetic number, because the mean of its divisors is an integer number (40206807459).

Almost surely, 2^{2152123314345} is an apocalyptic number.

It is an amenable number.

2152123314345 is a deficient number, since it is larger than the sum of its proper divisors (1707730201719).

2152123314345 is a wasteful number, since it uses less digits than its factorization.

2152123314345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12763 (or 12760 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 2152123314345 its reverse (5434133212512), we get a palindrome (7586256526857).

The spelling of 2152123314345 in words is "two trillion, one hundred fifty-two billion, one hundred twenty-three million, three hundred fourteen thousand, three hundred forty-five".