2131212223302 has 32 divisors (see below), whose sum is σ = 4288874832000. Its totient is φ = 706000562688.

The previous prime is 2131212223289. The next prime is 2131212223303. The reversal of 2131212223302 is 2033222121312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131212223303) 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 15 ways as a sum of consecutive naturals, for example, 1137574 + ... + 2357222.

It is an arithmetic number, because the mean of its divisors is an integer number (134027338500).

Almost surely, 2^{2131212223302} is an apocalyptic number.

2131212223302 is an abundant number, since it is smaller than the sum of its proper divisors (2157662608698).

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

2131212223302 is a wasteful number, since it uses less digits than its factorization.

2131212223302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221460.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2131212223302 its reverse (2033222121312), we get a palindrome (4164434344614).

The spelling of 2131212223302 in words is "two trillion, one hundred thirty-one billion, two hundred twelve million, two hundred twenty-three thousand, three hundred two".