12121350 has 24 divisors (see below), whose sum is σ = 30061320. Its totient is φ = 3232320.

The previous prime is 12121337. The next prime is 12121367. The reversal of 12121350 is 5312121.

12121350 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 (15).

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, 40255 + ... + 40554.

It is an arithmetic number, because the mean of its divisors is an integer number (1252555).

Almost surely, 2^12121350 is an apocalyptic number.

12121350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121350 is an abundant number, since it is smaller than the sum of its proper divisors (17939970).

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

12121350 is a wasteful number, since it uses less digits than its factorization.

12121350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80824 (or 80819 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12121350 is about 3481.5729203910. The cubic root of 12121350 is about 229.7119898456.

Adding to 12121350 its reverse (5312121), we get a palindrome (17433471).

The spelling of 12121350 in words is "twelve million, one hundred twenty-one thousand, three hundred fifty".