10101212320 has 48 divisors (see below), whose sum is σ = 25267892328. Its totient is φ = 3802808320.

The previous prime is 10101212311. The next prime is 10101212333. The reversal of 10101212320 is 2321210101.

It can be written as a sum of positive squares in 4 ways, for example, as 6823420816 + 3277791504 = 82604^2 + 57252^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10101212320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854121 + ... + 1859560.

Almost surely, 2^10101212320 is an apocalyptic number.

10101212320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101212320 is an abundant number, since it is smaller than the sum of its proper divisors (15166680008).

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

10101212320 is a wasteful number, since it uses less digits than its factorization.

10101212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713713 (or 3713705 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10101212320 its reverse (2321210101), we get a palindrome (12422422421).

The spelling of 10101212320 in words is "ten billion, one hundred one million, two hundred twelve thousand, three hundred twenty".