10043212323540 has 144 divisors (see below), whose sum is σ = 30911822887680. Its totient is φ = 2434563014400.

The previous prime is 10043212323539. The next prime is 10043212323611. The reversal of 10043212323540 is 4532321234001.

It is a super-2 number, since 2×10043212323540² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10043212323498 and 10043212323507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148295206 + ... + 148362914.

It is an arithmetic number, because the mean of its divisors is an integer number (214665436720).

Almost surely, 2^{10043212323540} is an apocalyptic number.

10043212323540 is a gapful number since it is divisible by the number (10) 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 10043212323540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15455911443840).

10043212323540 is an abundant number, since it is smaller than the sum of its proper divisors (20868610564140).

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

10043212323540 is a wasteful number, since it uses less digits than its factorization.

10043212323540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88174 (or 88161 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 10043212323540 its reverse (4532321234001), we get a palindrome (14575533557541).

The spelling of 10043212323540 in words is "ten trillion, forty-three billion, two hundred twelve million, three hundred twenty-three thousand, five hundred forty".