1121302212 has 12 divisors (see below), whose sum is σ = 2616371856. Its totient is φ = 373767400.

The previous prime is 1121302211. The next prime is 1121302213. The reversal of 1121302212 is 2122031211.

It is an interprime number because it is at equal distance from previous prime (1121302211) and next prime (1121302213).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1121302191 and 1121302200.

It is not an unprimeable number, because it can be changed into a prime (1121302211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46720914 + ... + 46720937.

It is an arithmetic number, because the mean of its divisors is an integer number (218030988).

Almost surely, 2^1121302212 is an apocalyptic number.

1121302212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121302212 is an abundant number, since it is smaller than the sum of its proper divisors (1495069644).

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

1121302212 is a wasteful number, since it uses less digits than its factorization.

1121302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93441858 (or 93441856 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1121302212 is about 33485.8509224419. The cubic root of 1121302212 is about 1038.9011483003.

Adding to 1121302212 its reverse (2122031211), we get a palindrome (3243333423).

The spelling of 1121302212 in words is "one billion, one hundred twenty-one million, three hundred two thousand, two hundred twelve".