10533121012 has 12 divisors (see below), whose sum is σ = 18435758656. Its totient is φ = 5265761400.

The previous prime is 10533121003. The next prime is 10533121013. The reversal of 10533121012 is 21012133501.

It is a super-2 number, since 2×10533121012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10533121013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169614 + ... + 223237.

Almost surely, 2^10533121012 is an apocalyptic number.

It is an amenable number.

10533121012 is a deficient number, since it is larger than the sum of its proper divisors (7902637644).

10533121012 is a wasteful number, since it uses less digits than its factorization.

10533121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399558 (or 399556 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 10533121012 its reverse (21012133501), we get a palindrome (31545254513).

The spelling of 10533121012 in words is "ten billion, five hundred thirty-three million, one hundred twenty-one thousand, twelve".