12120276 has 24 divisors (see below), whose sum is σ = 32320960. Its totient is φ = 3462912.

The previous prime is 12120257. The next prime is 12120293. The reversal of 12120276 is 67202121.

12120276 is digitally balanced in base 2 and base 8, 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 (21).

12120276 is strictly pandigital in base 8.

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, 72061 + ... + 72228.

Almost surely, 2^12120276 is an apocalyptic number.

It is an amenable number.

12120276 is an abundant number, since it is smaller than the sum of its proper divisors (20200684).

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

12120276 is a wasteful number, since it uses less digits than its factorization.

12120276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144303 (or 144301 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12120276 is about 3481.4186763445. The cubic root of 12120276 is about 229.7052051788.

Adding to 12120276 its reverse (67202121), we get a palindrome (79322397).

It can be divided in two parts, 121202 and 76, that added together give a triangular number (121278 = T₄₉₂).

The spelling of 12120276 in words is "twelve million, one hundred twenty thousand, two hundred seventy-six".