2145315212512 has 12 divisors (see below), whose sum is σ = 4223589324696. Its totient is φ = 1072657606240.

The previous prime is 2145315212503. The next prime is 2145315212527. The reversal of 2145315212512 is 2152125135412.

It is a super-4 number, since 4×2145315212512⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33520550164 + ... + 33520550227.

It is an arithmetic number, because the mean of its divisors is an integer number (351965777058).

Almost surely, 2^{2145315212512} is an apocalyptic number.

It is an amenable number.

2145315212512 is a deficient number, since it is larger than the sum of its proper divisors (2078274112184).

2145315212512 is an equidigital number, since it uses as much as digits as its factorization.

2145315212512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67041100401 (or 67041100393 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The spelling of 2145315212512 in words is "two trillion, one hundred forty-five billion, three hundred fifteen million, two hundred twelve thousand, five hundred twelve".