1005252101512 has 16 divisors (see below), whose sum is σ = 1895377568400. Its totient is φ = 499818083280.

The previous prime is 1005252101429. The next prime is 1005252101543. The reversal of 1005252101512 is 2151012525001.

It is a happy number.

It is a super-2 number, since 2×1005252101512² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350994414 + ... + 350997277.

It is an arithmetic number, because the mean of its divisors is an integer number (118461098025).

Almost surely, 2^{1005252101512} is an apocalyptic number.

It is an amenable number.

1005252101512 is a deficient number, since it is larger than the sum of its proper divisors (890125466888).

1005252101512 is a wasteful number, since it uses less digits than its factorization.

1005252101512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701991876 (or 701991872 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 1005252101512 its reverse (2151012525001), we get a palindrome (3156264626513).

The spelling of 1005252101512 in words is "one trillion, five billion, two hundred fifty-two million, one hundred one thousand, five hundred twelve".