10013221553412 has 192 divisors, whose sum is σ = 30413318713344. Its totient is φ = 2486328514560.

The previous prime is 10013221553407. The next prime is 10013221553431. The reversal of 10013221553412 is 21435512231001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10013221553412.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37120368 + ... + 37389144.

It is an arithmetic number, because the mean of its divisors is an integer number (158402701632).

Almost surely, 2^{10013221553412} is an apocalyptic number.

10013221553412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10013221553412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15206659356672).

10013221553412 is an abundant number, since it is smaller than the sum of its proper divisors (20400097159932).

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

10013221553412 is a wasteful number, since it uses less digits than its factorization.

10013221553412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270578 (or 270576 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 10013221553412 its reverse (21435512231001), we get a palindrome (31448733784413).

The spelling of 10013221553412 in words is "ten trillion, thirteen billion, two hundred twenty-one million, five hundred fifty-three thousand, four hundred twelve".