10121320032 has 48 divisors (see below), whose sum is σ = 26816795712. Its totient is φ = 3342239360.

The previous prime is 10121320031. The next prime is 10121320043. The reversal of 10121320032 is 23002312101.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×10121320032² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121319993 and 10121320020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121320031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482394 + ... + 502937.

It is an arithmetic number, because the mean of its divisors is an integer number (558683244).

Almost surely, 2^10121320032 is an apocalyptic number.

10121320032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121320032 is an abundant number, since it is smaller than the sum of its proper divisors (16695475680).

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

10121320032 is a wasteful number, since it uses less digits than its factorization.

10121320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985451 (or 985443 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10121320032 its reverse (23002312101), we get a palindrome (33123632133).

The spelling of 10121320032 in words is "ten billion, one hundred twenty-one million, three hundred twenty thousand, thirty-two".