10521315004412 has 24 divisors (see below), whose sum is σ = 18939644842272. Its totient is φ = 5111052710400.

The previous prime is 10521315004381. The next prime is 10521315004429. The reversal of 10521315004412 is 21440051312501.

It is a happy number.

It is a super-2 number, since 2×10521315004412² (a number of 27 digits) contains 22 as substring.

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, 133060808 + ... + 133139855.

It is an arithmetic number, because the mean of its divisors is an integer number (789151868428).

Almost surely, 2^{10521315004412} is an apocalyptic number.

It is an amenable number.

10521315004412 is a deficient number, since it is larger than the sum of its proper divisors (8418329837860).

10521315004412 is a wasteful number, since it uses less digits than its factorization.

10521315004412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266200949 (or 266200947 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 10521315004412 its reverse (21440051312501), we get a palindrome (31961366316913).

The spelling of 10521315004412 in words is "ten trillion, five hundred twenty-one billion, three hundred fifteen million, four thousand, four hundred twelve".