1223211302330 has 64 divisors (see below), whose sum is σ = 2280400708608. Its totient is φ = 472113146880.

The previous prime is 1223211302329. The next prime is 1223211302347. The reversal of 1223211302330 is 332031123221.

It is a junction number, because it is equal to n+sod(n) for n = 1223211302296 and 1223211302305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99595790 + ... + 99608070.

It is an arithmetic number, because the mean of its divisors is an integer number (35631261072).

Almost surely, 2^{1223211302330} is an apocalyptic number.

1223211302330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223211302330 is a deficient number, since it is larger than the sum of its proper divisors (1057189406278).

1223211302330 is a wasteful number, since it uses less digits than its factorization.

1223211302330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15311.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1223211302330 its reverse (332031123221), we get a palindrome (1555242425551).

The spelling of 1223211302330 in words is "one trillion, two hundred twenty-three billion, two hundred eleven million, three hundred two thousand, three hundred thirty".