12320032221030 has 16 divisors (see below), whose sum is σ = 29568077330544. Its totient is φ = 3285341925600.

The previous prime is 12320032221023. The next prime is 12320032221031. The reversal of 12320032221030 is 3012223002321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12320032220988 and 12320032221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320032221031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205333870321 + ... + 205333870380.

It is an arithmetic number, because the mean of its divisors is an integer number (1848004833159).

Almost surely, 2^{12320032221030} is an apocalyptic number.

12320032221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320032221030 is an abundant number, since it is smaller than the sum of its proper divisors (17248045109514).

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

12320032221030 is a wasteful number, since it uses less digits than its factorization.

12320032221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410667740711.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12320032221030 its reverse (3012223002321), we get a palindrome (15332255223351).

The spelling of 12320032221030 in words is "twelve trillion, three hundred twenty billion, thirty-two million, two hundred twenty-one thousand, thirty".