121410112402 has 8 divisors (see below), whose sum is σ = 182173754700. Its totient is φ = 60685527504.

The previous prime is 121410112391. The next prime is 121410112427. The reversal of 121410112402 is 204211014121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118942904161 + 2467208241 = 344881^2 + 49671^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121410112402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9756577 + ... + 9769012.

Almost surely, 2^121410112402 is an apocalyptic number.

121410112402 is a deficient number, since it is larger than the sum of its proper divisors (60763642298).

121410112402 is a wasteful number, since it uses less digits than its factorization.

121410112402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19528700.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121410112402 its reverse (204211014121), we get a palindrome (325621126523).

The spelling of 121410112402 in words is "one hundred twenty-one billion, four hundred ten million, one hundred twelve thousand, four hundred two".