212130121130309 has 8 divisors (see below), whose sum is σ = 212200007700000. Its totient is φ = 212060240186832.

The previous prime is 212130121130281. The next prime is 212130121130311. The reversal of 212130121130309 is 903031121031212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212130121130309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212130121130329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74690927 + ... + 77478995.

It is an arithmetic number, because the mean of its divisors is an integer number (26525000962500).

Almost surely, 2^{212130121130309} is an apocalyptic number.

It is an amenable number.

212130121130309 is a deficient number, since it is larger than the sum of its proper divisors (69886569691).

212130121130309 is a wasteful number, since it uses less digits than its factorization.

212130121130309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813107.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 212130121130309 in words is "two hundred twelve trillion, one hundred thirty billion, one hundred twenty-one million, one hundred thirty thousand, three hundred nine".