10521213522152 has 8 divisors (see below), whose sum is σ = 19727275354050. Its totient is φ = 5260606761072.

The previous prime is 10521213522151. The next prime is 10521213522161. The reversal of 10521213522152 is 25122531212501.

It can be written as a sum of positive squares in only one way, i.e., 6375453301156 + 4145760220996 = 2524966^2 + 2036114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10521213522152² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10521213522151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657575845127 + ... + 657575845142.

Almost surely, 2^{10521213522152} is an apocalyptic number.

It is an amenable number.

10521213522152 is a deficient number, since it is larger than the sum of its proper divisors (9206061831898).

10521213522152 is a wasteful number, since it uses less digits than its factorization.

10521213522152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315151690275 (or 1315151690271 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 10521213522152 its reverse (25122531212501), we get a palindrome (35643744734653).

The spelling of 10521213522152 in words is "ten trillion, five hundred twenty-one billion, two hundred thirteen million, five hundred twenty-two thousand, one hundred fifty-two".