12121240103202 has 8 divisors (see below), whose sum is σ = 24242480206416. Its totient is φ = 4040413367732.

The previous prime is 12121240103123. The next prime is 12121240103207. The reversal of 12121240103202 is 20230104212121.

It is a happy number.

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

12121240103202 is an admirable number.

It is a super-2 number, since 2×12121240103202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12121240103207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010103341928 + ... + 1010103341939.

It is an arithmetic number, because the mean of its divisors is an integer number (3030310025802).

Almost surely, 2^{12121240103202} is an apocalyptic number.

12121240103202 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.

12121240103202 is a wasteful number, since it uses less digits than its factorization.

12121240103202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020206683872.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12121240103202 its reverse (20230104212121), we get a palindrome (32351344315323).

The spelling of 12121240103202 in words is "twelve trillion, one hundred twenty-one billion, two hundred forty million, one hundred three thousand, two hundred two".