1220543433230 has 32 divisors (see below), whose sum is σ = 2455159660128. Its totient is φ = 433008755200.

The previous prime is 1220543433223. The next prime is 1220543433233. The reversal of 1220543433230 is 323343450221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220543433233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135310727 + ... + 135319746.

It is an arithmetic number, because the mean of its divisors is an integer number (76723739379).

Almost surely, 2^{1220543433230} is an apocalyptic number.

1220543433230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220543433230 is an abundant number, since it is smaller than the sum of its proper divisors (1234616226898).

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

1220543433230 is a wasteful number, since it uses less digits than its factorization.

1220543433230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270630532.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 1220543433230 its reverse (323343450221), we get a palindrome (1543886883451).

The spelling of 1220543433230 in words is "one trillion, two hundred twenty billion, five hundred forty-three million, four hundred thirty-three thousand, two hundred thirty".