12112121103402 has 8 divisors (see below), whose sum is σ = 24224242206816. Its totient is φ = 4037373701132.

The previous prime is 12112121103377. The next prime is 12112121103427. The reversal of 12112121103402 is 20430112121121.

It is an interprime number because it is at equal distance from previous prime (12112121103377) and next prime (12112121103427).

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

12112121103402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009343425278 + ... + 1009343425289.

It is an arithmetic number, because the mean of its divisors is an integer number (3028030275852).

Almost surely, 2^{12112121103402} is an apocalyptic number.

12112121103402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112121103402 is a wasteful number, since it uses less digits than its factorization.

12112121103402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018686850572.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 12112121103402 its reverse (20430112121121), we get a palindrome (32542233224523).

The spelling of 12112121103402 in words is "twelve trillion, one hundred twelve billion, one hundred twenty-one million, one hundred three thousand, four hundred two".