1220213321030 has 32 divisors (see below), whose sum is σ = 2396464911360. Its totient is φ = 443638071520.

The previous prime is 1220213321017. The next prime is 1220213321057. The reversal of 1220213321030 is 301233120221.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1220213320993 and 1220213321011.

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, 299990 + ... + 1590729.

It is an arithmetic number, because the mean of its divisors is an integer number (74889528480).

Almost surely, 2^{1220213321030} is an apocalyptic number.

1220213321030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220213321030 is a deficient number, since it is larger than the sum of its proper divisors (1176251590330).

1220213321030 is a wasteful number, since it uses less digits than its factorization.

1220213321030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896604.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1220213321030 its reverse (301233120221), we get a palindrome (1521446441251).

The spelling of 1220213321030 in words is "one trillion, two hundred twenty billion, two hundred thirteen million, three hundred twenty-one thousand, thirty".