11202012 has 72 divisors (see below), whose sum is σ = 30086784. Its totient is φ = 3506976.

The previous prime is 11201987. The next prime is 11202017. The reversal of 11202012 is 21020211.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11201985 and 11202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68643 + ... + 68805.

It is an arithmetic number, because the mean of its divisors is an integer number (417872).

Almost surely, 2^11202012 is an apocalyptic number.

11202012 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 11202012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15043392).

11202012 is an abundant number, since it is smaller than the sum of its proper divisors (18884772).

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

11202012 is a wasteful number, since it uses less digits than its factorization.

11202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 11202012 is about 3346.9406926326. The cubic root of 11202012 is about 223.7511852460.

Adding to 11202012 its reverse (21020211), we get a palindrome (32222223).

The spelling of 11202012 in words is "eleven million, two hundred two thousand, twelve".