12120862 has 16 divisors (see below), whose sum is σ = 20432160. Its totient is φ = 5350752.

The previous prime is 12120859. The next prime is 12120863. The reversal of 12120862 is 26802121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9537 + ... + 10732.

It is an arithmetic number, because the mean of its divisors is an integer number (1277010).

Almost surely, 2^12120862 is an apocalyptic number.

12120862 is a deficient number, since it is larger than the sum of its proper divisors (8311298).

12120862 is a wasteful number, since it uses less digits than its factorization.

12120862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20307.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 12120862 is about 3481.5028364199. The cubic root of 12120862 is about 229.7089071044.

Adding to 12120862 its reverse (26802121), we get a palindrome (38922983).

The spelling of 12120862 in words is "twelve million, one hundred twenty thousand, eight hundred sixty-two".