12037212 has 72 divisors (see below), whose sum is σ = 33611760. Its totient is φ = 3601920.

The previous prime is 12037183. The next prime is 12037219. The reversal of 12037212 is 21273021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12037219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44614 + ... + 44882.

It is an arithmetic number, because the mean of its divisors is an integer number (466830).

Almost surely, 2^12037212 is an apocalyptic number.

12037212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12037212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16805880).

12037212 is an abundant number, since it is smaller than the sum of its proper divisors (21574548).

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

12037212 is a wasteful number, since it uses less digits than its factorization.

12037212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12037212 is about 3469.4685471985. The cubic root of 12037212 is about 229.1792549045.

The spelling of 12037212 in words is "twelve million, thirty-seven thousand, two hundred twelve".