10121031296 has 16 divisors (see below), whose sum is σ = 20162992290. Its totient is φ = 5060515584.

The previous prime is 10121031289. The next prime is 10121031341. The reversal of 10121031296 is 69213012101.

It can be written as a sum of positive squares in only one way, i.e., 5436997696 + 4684033600 = 73736^2 + 68440^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×10121031296² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39535151 + ... + 39535406.

Almost surely, 2^10121031296 is an apocalyptic number.

10121031296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10121031296 is a deficient number, since it is larger than the sum of its proper divisors (10041960994).

10121031296 is an frugal number, since it uses more digits than its factorization.

10121031296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79070571 (or 79070559 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 10121031296 its reverse (69213012101), we get a palindrome (79334043397).

The spelling of 10121031296 in words is "ten billion, one hundred twenty-one million, thirty-one thousand, two hundred ninety-six".