12101802 has 8 divisors (see below), whose sum is σ = 24203616. Its totient is φ = 4033932.

The previous prime is 12101801. The next prime is 12101809. The reversal of 12101802 is 20810121.

It is a sphenic number, since it is the product of 3 distinct primes.

12101802 is an admirable number.

It is a super-2 number, since 2×12101802² = 292907223294408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12101801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008478 + ... + 1008489.

It is an arithmetic number, because the mean of its divisors is an integer number (3025452).

Almost surely, 2^12101802 is an apocalyptic number.

12101802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12101802 is a wasteful number, since it uses less digits than its factorization.

12101802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016972.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 12101802 is about 3478.7644358306. The cubic root of 12101802 is about 229.5884385353.

Adding to 12101802 its reverse (20810121), we get a palindrome (32911923).

The spelling of 12101802 in words is "twelve million, one hundred one thousand, eight hundred two".