1051512503212 has 12 divisors (see below), whose sum is σ = 1840449131640. Its totient is φ = 525669894176.

The previous prime is 1051512503161. The next prime is 1051512503227. The reversal of 1051512503212 is 2123052151501.

It is a happy number.

It is a super-2 number, since 2×1051512503212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21561958 + ... + 21610669.

It is an arithmetic number, because the mean of its divisors is an integer number (153370760970).

Almost surely, 2^{1051512503212} is an apocalyptic number.

It is an amenable number.

1051512503212 is a deficient number, since it is larger than the sum of its proper divisors (788936628428).

1051512503212 is a wasteful number, since it uses less digits than its factorization.

1051512503212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43178720 (or 43178718 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 1051512503212 its reverse (2123052151501), we get a palindrome (3174564654713).

The spelling of 1051512503212 in words is "one trillion, fifty-one billion, five hundred twelve million, five hundred three thousand, two hundred twelve".