12121333302 has 128 divisors (see below), whose sum is σ = 28249941888. Its totient is φ = 3433881600.

The previous prime is 12121333291. The next prime is 12121333307. The reversal of 12121333302 is 20333312121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121333307) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22405152 + ... + 22405692.

It is an arithmetic number, because the mean of its divisors is an integer number (220702671).

Almost surely, 2^12121333302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12121333302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14124970944).

12121333302 is an abundant number, since it is smaller than the sum of its proper divisors (16128608586).

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

12121333302 is a wasteful number, since it uses less digits than its factorization.

12121333302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12121333302 its reverse (20333312121), we get a palindrome (32454645423).

The spelling of 12121333302 in words is "twelve billion, one hundred twenty-one million, three hundred thirty-three thousand, three hundred two".