1321322220030 has 32 divisors (see below), whose sum is σ = 3171389573664. Its totient is φ = 352328564736.

The previous prime is 1321322220011. The next prime is 1321322220059. The reversal of 1321322220030 is 300222231231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1321322219979 and 1321322220006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052227 + ... + 1936446.

It is an arithmetic number, because the mean of its divisors is an integer number (99105924177).

Almost surely, 2^{1321322220030} is an apocalyptic number.

1321322220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321322220030 is an abundant number, since it is smaller than the sum of its proper divisors (1850067353634).

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

1321322220030 is a wasteful number, since it uses less digits than its factorization.

1321322220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003420.

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

Adding to 1321322220030 its reverse (300222231231), we get a palindrome (1621544451261).

The spelling of 1321322220030 in words is "one trillion, three hundred twenty-one billion, three hundred twenty-two million, two hundred twenty thousand, thirty".