10121001320 has 32 divisors (see below), whose sum is σ = 23970794400. Its totient is φ = 3835326528.

The previous prime is 10121001313. The next prime is 10121001403. The reversal of 10121001320 is 2310012101.

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, 6657794 + ... + 6659313.

It is an arithmetic number, because the mean of its divisors is an integer number (749087325).

Almost surely, 2^10121001320 is an apocalyptic number.

10121001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121001320 is an abundant number, since it is smaller than the sum of its proper divisors (13849793080).

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

10121001320 is a wasteful number, since it uses less digits than its factorization.

10121001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13317137 (or 13317133 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10121001320 its reverse (2310012101), we get a palindrome (12431013421).

The spelling of 10121001320 in words is "ten billion, one hundred twenty-one million, one thousand, three hundred twenty".