12021245214 has 24 divisors (see below), whose sum is σ = 26426871240. Its totient is φ = 3642801360.

The previous prime is 12021245209. The next prime is 12021245267. The reversal of 12021245214 is 41254212021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8278369 + ... + 8279820.

It is an arithmetic number, because the mean of its divisors is an integer number (1101119635).

Almost surely, 2^12021245214 is an apocalyptic number.

12021245214 is an abundant number, since it is smaller than the sum of its proper divisors (14405626026).

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

12021245214 is a wasteful number, since it uses less digits than its factorization.

12021245214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16558216 (or 16558205 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 12021245214 its reverse (41254212021), we get a palindrome (53275457235).

The spelling of 12021245214 in words is "twelve billion, twenty-one million, two hundred forty-five thousand, two hundred fourteen".