1220123222230 has 16 divisors (see below), whose sum is σ = 2395878327504. Its totient is φ = 443681171680.

The previous prime is 1220123222191. The next prime is 1220123222291. The reversal of 1220123222230 is 322223210221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 5546014537 + ... + 5546014756.

It is an arithmetic number, because the mean of its divisors is an integer number (149742395469).

Almost surely, 2^{1220123222230} is an apocalyptic number.

1220123222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220123222230 is a deficient number, since it is larger than the sum of its proper divisors (1175755105274).

1220123222230 is a wasteful number, since it uses less digits than its factorization.

1220123222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11092029311.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1220123222230 its reverse (322223210221), we get a palindrome (1542346432451).

The spelling of 1220123222230 in words is "one trillion, two hundred twenty billion, one hundred twenty-three million, two hundred twenty-two thousand, two hundred thirty".