12122402 has 4 divisors (see below), whose sum is σ = 18183606. Its totient is φ = 6061200.

The previous prime is 12122401. The next prime is 12122419. The reversal of 12122402 is 20422121.

12122402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12117361 + 5041 = 3481^2 + 71^2 .

It is not an unprimeable number, because it can be changed into a prime (12122401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030599 + ... + 3030602.

Almost surely, 2^12122402 is an apocalyptic number.

12122402 is a deficient number, since it is larger than the sum of its proper divisors (6061204).

12122402 is an equidigital number, since it uses as much as digits as its factorization.

12122402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061203.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 12122402 is about 3481.7239982514. The cubic root of 12122402 is about 229.7186351456.

Adding to 12122402 its reverse (20422121), we get a palindrome (32544523).

The spelling of 12122402 in words is "twelve million, one hundred twenty-two thousand, four hundred two".