1230001103220 has 48 divisors (see below), whose sum is σ = 3537084259968. Its totient is φ = 319135420800.

The previous prime is 1230001103179. The next prime is 1230001103237. The reversal of 1230001103220 is 223011000321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1230001103220.

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, 277025056 + ... + 277029495.

It is an arithmetic number, because the mean of its divisors is an integer number (73689255416).

Almost surely, 2^{1230001103220} is an apocalyptic number.

1230001103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230001103220 is an abundant number, since it is smaller than the sum of its proper divisors (2307083156748).

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

1230001103220 is a wasteful number, since it uses less digits than its factorization.

1230001103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554054600 (or 554054598 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1230001103220 its reverse (223011000321), we get a palindrome (1453012103541).

The spelling of 1230001103220 in words is "one trillion, two hundred thirty billion, one million, one hundred three thousand, two hundred twenty".