12021119 has 4 divisors (see below), whose sum is σ = 13113960. Its totient is φ = 10928280.

The previous prime is 12021071. The next prime is 12021131. The reversal of 12021119 is 91112021.

12021119 = T₈₃₇ + T₈₃₈ + ... + T₈₆₉.

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

It is a de Polignac number, because none of the positive numbers 2^k-12021119 is a prime.

It is a super-2 number, since 2×12021119² = 289014604024322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021097 and 12021106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021179) 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, 546404 + ... + 546425.

It is an arithmetic number, because the mean of its divisors is an integer number (3278490).

Almost surely, 2^12021119 is an apocalyptic number.

12021119 is a deficient number, since it is larger than the sum of its proper divisors (1092841).

12021119 is a wasteful number, since it uses less digits than its factorization.

12021119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092840.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 12021119 is about 3467.1485402273. The cubic root of 12021119 is about 229.0770765763.

The spelling of 12021119 in words is "twelve million, twenty-one thousand, one hundred nineteen".