12042010402 has 8 divisors (see below), whose sum is σ = 18685878300. Its totient is φ = 5813384304.

The previous prime is 12042010397. The next prime is 12042010403. The reversal of 12042010402 is 20401024021.

It can be written as a sum of positive squares in 2 ways, for example, as 12025534921 + 16475481 = 109661^2 + 4059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12042010403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103810377 + ... + 103810492.

Almost surely, 2^12042010402 is an apocalyptic number.

12042010402 is a deficient number, since it is larger than the sum of its proper divisors (6643867898).

12042010402 is a wasteful number, since it uses less digits than its factorization.

12042010402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207620900.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12042010402 its reverse (20401024021), we get a palindrome (32443034423).

The spelling of 12042010402 in words is "twelve billion, forty-two million, ten thousand, four hundred two".