1211210012195 has 16 divisors (see below), whose sum is σ = 1494214151520. Its totient is φ = 941845169664.

The previous prime is 1211210012167. The next prime is 1211210012203. The reversal of 1211210012195 is 5912100121121.

It is a cyclic number.

It is not a de Polignac number, because 1211210012195 - 2¹⁴ = 1211209995811 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3057677 + ... + 3431006.

It is an arithmetic number, because the mean of its divisors is an integer number (93388384470).

Almost surely, 2^{1211210012195} is an apocalyptic number.

1211210012195 is a deficient number, since it is larger than the sum of its proper divisors (283004139325).

1211210012195 is a wasteful number, since it uses less digits than its factorization.

1211210012195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489734.

The product of its (nonzero) digits is 360, while the sum is 26.

The spelling of 1211210012195 in words is "one trillion, two hundred eleven billion, two hundred ten million, twelve thousand, one hundred ninety-five".