1121533432212 has 192 divisors, whose sum is σ = 2889019768320. Its totient is φ = 337050599424.

The previous prime is 1121533432199. The next prime is 1121533432219. The reversal of 1121533432212 is 2122343351211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121533432212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121533432219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 421152793 + ... + 421155455.

It is an arithmetic number, because the mean of its divisors is an integer number (15046977960).

Almost surely, 2^{1121533432212} is an apocalyptic number.

1121533432212 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 1121533432212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444509884160).

1121533432212 is an abundant number, since it is smaller than the sum of its proper divisors (1767486336108).

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

1121533432212 is a wasteful number, since it uses less digits than its factorization.

1121533432212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250 (or 3248 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

Adding to 1121533432212 its reverse (2122343351211), we get a palindrome (3243876783423).

The spelling of 1121533432212 in words is "one trillion, one hundred twenty-one billion, five hundred thirty-three million, four hundred thirty-two thousand, two hundred twelve".