12002231402 has 12 divisors (see below), whose sum is σ = 20942669250. Its totient is φ = 5143813416.

The previous prime is 12002231401. The next prime is 12002231407. The reversal of 12002231402 is 20413220021.

It can be written as a sum of positive squares in only one way, i.e., 7770598801 + 4231632601 = 88151^2 + 65051^2 .

It is not an unprimeable number, because it can be changed into a prime (12002231401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61235777 + ... + 61235972.

Almost surely, 2^12002231402 is an apocalyptic number.

12002231402 is a deficient number, since it is larger than the sum of its proper divisors (8940437848).

12002231402 is a wasteful number, since it uses less digits than its factorization.

12002231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122471765 (or 122471758 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12002231402 its reverse (20413220021), we get a palindrome (32415451423).

The spelling of 12002231402 in words is "twelve billion, two million, two hundred thirty-one thousand, four hundred two".