12121241202 has 24 divisors (see below), whose sum is σ = 30014502336. Its totient is φ = 3463211736.

The previous prime is 12121241161. The next prime is 12121241219. The reversal of 12121241202 is 20214212121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48100038 + ... + 48100289.

It is an arithmetic number, because the mean of its divisors is an integer number (1250604264).

Almost surely, 2^12121241202 is an apocalyptic number.

12121241202 is an abundant number, since it is smaller than the sum of its proper divisors (17893261134).

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

12121241202 is a wasteful number, since it uses less digits than its factorization.

12121241202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96200342 (or 96200339 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12121241202 its reverse (20214212121), we get a palindrome (32335453323).

The spelling of 12121241202 in words is "twelve billion, one hundred twenty-one million, two hundred forty-one thousand, two hundred two".