10212320320 has 28 divisors (see below), whose sum is σ = 24318088524. Its totient is φ = 4084928000.

The previous prime is 10212320281. The next prime is 10212320329. The reversal of 10212320320 is 2302321201.

It can be written as a sum of positive squares in 2 ways, for example, as 3669451776 + 6542868544 = 60576^2 + 80888^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 10212320294 and 10212320303.

It is not an unprimeable number, because it can be changed into a prime (10212320329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15956431 + ... + 15957070.

Almost surely, 2^10212320320 is an apocalyptic number.

10212320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212320320 is an abundant number, since it is smaller than the sum of its proper divisors (14105768204).

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

10212320320 is an equidigital number, since it uses as much as digits as its factorization.

10212320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31913518 (or 31913508 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10212320320 its reverse (2302321201), we get a palindrome (12514641521).

The spelling of 10212320320 in words is "ten billion, two hundred twelve million, three hundred twenty thousand, three hundred twenty".