12202040 has 64 divisors (see below), whose sum is σ = 29008800. Its totient is φ = 4612608.

The previous prime is 12202037. The next prime is 12202049. The reversal of 12202040 is 4020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77642 + ... + 77798.

Almost surely, 2^12202040 is an apocalyptic number.

12202040 is a gapful number since it is divisible by the number (10) 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 12202040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14504400).

12202040 is an abundant number, since it is smaller than the sum of its proper divisors (16806760).

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

12202040 is a wasteful number, since it uses less digits than its factorization.

12202040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 12202040 is about 3493.1418522585. The cubic root of 12202040 is about 230.2205823329.

Adding to 12202040 its reverse (4020221), we get a palindrome (16222261).

The spelling of 12202040 in words is "twelve million, two hundred two thousand, forty".