10525121012 has 24 divisors (see below), whose sum is σ = 21479841600. Its totient is φ = 4510765560.

The previous prime is 10525120999. The next prime is 10525121069. The reversal of 10525121012 is 21012152501.

It is a super-2 number, since 2×10525121012² (a number of 21 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, 3834314 + ... + 3837057.

It is an arithmetic number, because the mean of its divisors is an integer number (894993400).

Almost surely, 2^10525121012 is an apocalyptic number.

It is an amenable number.

10525121012 is an abundant number, since it is smaller than the sum of its proper divisors (10954720588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10525121012 is an equidigital number, since it uses as much as digits as its factorization.

10525121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671396 (or 7671380 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 10525121012 its reverse (21012152501), we get a palindrome (31537273513).

The spelling of 10525121012 in words is "ten billion, five hundred twenty-five million, one hundred twenty-one thousand, twelve".