1230003212220 has 108 divisors (see below), whose sum is σ = 3834573967224. Its totient is φ = 319135904640.

The previous prime is 1230003212209. The next prime is 1230003212237. The reversal of 1230003212220 is 222123000321.

1230003212220 is a `hidden beast` number, since 1 + 2 + 300 + 0 + 321 + 22 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1230003212193 and 1230003212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2249326 + ... + 2742165.

Almost surely, 2^{1230003212220} is an apocalyptic number.

1230003212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230003212220 is an abundant number, since it is smaller than the sum of its proper divisors (2604570755004).

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

1230003212220 is a wasteful number, since it uses less digits than its factorization.

1230003212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991580 (or 4991538 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1230003212220 its reverse (222123000321), we get a palindrome (1452126212541).

The spelling of 1230003212220 in words is "one trillion, two hundred thirty billion, three million, two hundred twelve thousand, two hundred twenty".