12102401452402 has 8 divisors (see below), whose sum is σ = 18644240075436. Its totient is φ = 5887654760592.

The previous prime is 12102401452387. The next prime is 12102401452411. The reversal of 12102401452402 is 20425410420121.

It can be written as a sum of positive squares in 2 ways, for example, as 12056318672841 + 46082779561 = 3472221^2 + 214669^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81772982713 + ... + 81772982860.

Almost surely, 2^{12102401452402} is an apocalyptic number.

12102401452402 is a deficient number, since it is larger than the sum of its proper divisors (6541838623034).

12102401452402 is a wasteful number, since it uses less digits than its factorization.

12102401452402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163545965612.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 12102401452402 its reverse (20425410420121), we get a palindrome (32527811872523).

The spelling of 12102401452402 in words is "twelve trillion, one hundred two billion, four hundred one million, four hundred fifty-two thousand, four hundred two".