1220230133232 has 40 divisors (see below), whose sum is σ = 3438830376960. Its totient is φ = 369766706880.

The previous prime is 1220230133203. The next prime is 1220230133279. The reversal of 1220230133232 is 2323310320221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155520432 + ... + 1155521487.

It is an arithmetic number, because the mean of its divisors is an integer number (85970759424).

Almost surely, 2^{1220230133232} is an apocalyptic number.

1220230133232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220230133232 is an abundant number, since it is smaller than the sum of its proper divisors (2218600243728).

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

1220230133232 is a wasteful number, since it uses less digits than its factorization.

1220230133232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311041941 (or 2311041935 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1220230133232 its reverse (2323310320221), we get a palindrome (3543540453453).

The spelling of 1220230133232 in words is "one trillion, two hundred twenty billion, two hundred thirty million, one hundred thirty-three thousand, two hundred thirty-two".