12121362 has 48 divisors (see below), whose sum is σ = 29652480. Its totient is φ = 3544800.

The previous prime is 12121337. The next prime is 12121367. The reversal of 12121362 is 26312121.

12121362 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121367) 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, 4687 + ... + 6797.

It is an arithmetic number, because the mean of its divisors is an integer number (617760).

Almost surely, 2^12121362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12121362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14826240).

12121362 is an abundant number, since it is smaller than the sum of its proper divisors (17531118).

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

12121362 is a wasteful number, since it uses less digits than its factorization.

12121362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159 (or 2156 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 12121362 is about 3481.5746437496. The cubic root of 12121362 is about 229.7120656497.

Adding to 12121362 its reverse (26312121), we get a palindrome (38433483).

The spelling of 12121362 in words is "twelve million, one hundred twenty-one thousand, three hundred sixty-two".