212131002302 has 4 divisors (see below), whose sum is σ = 318196503456. Its totient is φ = 106065501150.

The previous prime is 212131002299. The next prime is 212131002323. The reversal of 212131002302 is 203200131212.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×212131002302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53032750574 + ... + 53032750577.

It is an arithmetic number, because the mean of its divisors is an integer number (79549125864).

Almost surely, 2^212131002302 is an apocalyptic number.

212131002302 is a deficient number, since it is larger than the sum of its proper divisors (106065501154).

212131002302 is a wasteful number, since it uses less digits than its factorization.

212131002302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106065501153.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212131002302 its reverse (203200131212), we get a palindrome (415331133514).

The spelling of 212131002302 in words is "two hundred twelve billion, one hundred thirty-one million, two thousand, three hundred two".