10001215443200 has 54 divisors (see below), whose sum is σ = 24754570927674. Its totient is φ = 4000486174720.

The previous prime is 10001215443161. The next prime is 10001215443223. The reversal of 10001215443200 is 234451210001.

It can be written as a sum of positive squares in 3 ways, for example, as 398554841344 + 9602660601856 = 631312^2 + 3098816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 781338557 + ... + 781351356.

Almost surely, 2^{10001215443200} is an apocalyptic number.

10001215443200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001215443200 is an abundant number, since it is smaller than the sum of its proper divisors (14753355484474).

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

10001215443200 is an equidigital number, since it uses as much as digits as its factorization.

10001215443200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562689939 (or 1562689920 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 10001215443200 its reverse (234451210001), we get a palindrome (10235666653201).

The spelling of 10001215443200 in words is "ten trillion, one billion, two hundred fifteen million, four hundred forty-three thousand, two hundred".