1121303231232 has 72 divisors (see below), whose sum is σ = 3064958712816. Its totient is φ = 363665903616.

The previous prime is 1121303231221. The next prime is 1121303231239. The reversal of 1121303231232 is 2321323031211.

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

It is not an unprimeable number, because it can be changed into a prime (1121303231239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19701723 + ... + 19758554.

Almost surely, 2^{1121303231232} is an apocalyptic number.

1121303231232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121303231232 is an abundant number, since it is smaller than the sum of its proper divisors (1943655481584).

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

1121303231232 is an equidigital number, since it uses as much as digits as its factorization.

1121303231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39460333 (or 39460319 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1121303231232 its reverse (2321323031211), we get a palindrome (3442626262443).

The spelling of 1121303231232 in words is "one trillion, one hundred twenty-one billion, three hundred three million, two hundred thirty-one thousand, two hundred thirty-two".