10012122320 has 40 divisors (see below), whose sum is σ = 23333819040. Its totient is φ = 3995277440.

The previous prime is 10012122317. The next prime is 10012122331. The reversal of 10012122320 is 2322121001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 10012122295 and 10012122304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115826 + ... + 182865.

It is an arithmetic number, because the mean of its divisors is an integer number (583345476).

Almost surely, 2^10012122320 is an apocalyptic number.

10012122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012122320 is an abundant number, since it is smaller than the sum of its proper divisors (13321696720).

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

10012122320 is a wasteful number, since it uses less digits than its factorization.

10012122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299123 (or 299117 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10012122320 its reverse (2322121001), we get a palindrome (12334243321).

The spelling of 10012122320 in words is "ten billion, twelve million, one hundred twenty-two thousand, three hundred twenty".