10030012320 has 48 divisors (see below), whose sum is σ = 31594540320. Its totient is φ = 2674669824.

The previous prime is 10030012319. The next prime is 10030012351. The reversal of 10030012320 is 2321003001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×10030012320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10030012296 and 10030012305.

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, 10447450 + ... + 10448409.

It is an arithmetic number, because the mean of its divisors is an integer number (658219590).

Almost surely, 2^10030012320 is an apocalyptic number.

10030012320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10030012320 is an abundant number, since it is smaller than the sum of its proper divisors (21564528000).

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

10030012320 is a wasteful number, since it uses less digits than its factorization.

10030012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20895877 (or 20895869 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 10030012320 its reverse (2321003001), we get a palindrome (12351015321).

The spelling of 10030012320 in words is "ten billion, thirty million, twelve thousand, three hundred twenty".