12021098 has 4 divisors (see below), whose sum is σ = 18031650. Its totient is φ = 6010548.

The previous prime is 12021071. The next prime is 12021131. The reversal of 12021098 is 89012021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11607649 + 413449 = 3407^2 + 643^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005273 + ... + 3005276.

Almost surely, 2^12021098 is an apocalyptic number.

12021098 is a deficient number, since it is larger than the sum of its proper divisors (6010552).

12021098 is an equidigital number, since it uses as much as digits as its factorization.

12021098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010551.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 12021098 is about 3467.1455118007. The cubic root of 12021098 is about 229.0769431827.

The spelling of 12021098 in words is "twelve million, twenty-one thousand, ninety-eight".