2145234023512 has 32 divisors (see below), whose sum is σ = 4116767616000. Its totient is φ = 1047527911584.

The previous prime is 2145234023489. The next prime is 2145234023533. The reversal of 2145234023512 is 2153204325412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5987262 + ... + 6335437.

It is an arithmetic number, because the mean of its divisors is an integer number (128648988000).

Almost surely, 2^{2145234023512} is an apocalyptic number.

It is an amenable number.

2145234023512 is a deficient number, since it is larger than the sum of its proper divisors (1971533592488).

2145234023512 is a wasteful number, since it uses less digits than its factorization.

2145234023512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12323215 (or 12323211 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 2145234023512 its reverse (2153204325412), we get a palindrome (4298438348924).

The spelling of 2145234023512 in words is "two trillion, one hundred forty-five billion, two hundred thirty-four million, twenty-three thousand, five hundred twelve".