12212998 has 16 divisors (see below), whose sum is σ = 21448224. Its totient is φ = 5106240.

The previous prime is 12212983. The next prime is 12213001. The reversal of 12212998 is 89921221.

12212998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10065 + ... + 11212.

It is an arithmetic number, because the mean of its divisors is an integer number (1340514).

Almost surely, 2^12212998 is an apocalyptic number.

12212998 is a deficient number, since it is larger than the sum of its proper divisors (9235226).

12212998 is a wasteful number, since it uses less digits than its factorization.

12212998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21327.

The product of its digits is 5184, while the sum is 34.

The square root of 12212998 is about 3494.7100022749. The cubic root of 12212998 is about 230.2894779803.

The spelling of 12212998 in words is "twelve million, two hundred twelve thousand, nine hundred ninety-eight".