1121302031232 has 256 divisors, whose sum is σ = 3120362784000. Its totient is φ = 356462346240.

The previous prime is 1121302031173. The next prime is 1121302031237. The reversal of 1121302031232 is 2321302031211.

It is a junction number, because it is equal to n+sod(n) for n = 1121302031199 and 1121302031208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121302031237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140001244 + ... + 140009252.

It is an arithmetic number, because the mean of its divisors is an integer number (12188917125).

Almost surely, 2^{1121302031232} is an apocalyptic number.

1121302031232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121302031232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560181392000).

1121302031232 is an abundant number, since it is smaller than the sum of its proper divisors (1999060752768).

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

1121302031232 is a wasteful number, since it uses less digits than its factorization.

1121302031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269 (or 8257 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Subtracting from 1121302031232 its sum of digits (21), we obtain a palindrome (1121302031211).

Adding to 1121302031232 its reverse (2321302031211), we get a palindrome (3442604062443).

The spelling of 1121302031232 in words is "one trillion, one hundred twenty-one billion, three hundred two million, thirty-one thousand, two hundred thirty-two".