12110402 has 4 divisors (see below), whose sum is σ = 18165606. Its totient is φ = 6055200.

The previous prime is 12110401. The next prime is 12110407. The reversal of 12110402 is 20401121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20401121 = 13 ⋅1569317.

It can be written as a sum of positive squares in only one way, i.e., 7230721 + 4879681 = 2689^2 + 2209^2 .

It is the 58-th Perrin number.

It is not an unprimeable number, because it can be changed into a prime (12110401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3027599 + ... + 3027602.

Almost surely, 2^12110402 is an apocalyptic number.

12110402 is a deficient number, since it is larger than the sum of its proper divisors (6055204).

12110402 is an equidigital number, since it uses as much as digits as its factorization.

12110402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055203.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 12110402 is about 3480.0002873563. Note that the first 3 decimals coincide. The cubic root of 12110402 is about 229.6428104117.

Adding to 12110402 its reverse (20401121), we get a palindrome (32511523).

The spelling of 12110402 in words is "twelve million, one hundred ten thousand, four hundred two".