212011001211985 has 8 divisors (see below), whose sum is σ = 254420247761856. Its totient is φ = 169604103431280.

The previous prime is 212011001211979. The next prime is 212011001212007. The reversal of 212011001211985 is 589112100110212.

It is a happy number.

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

It is not a de Polignac number, because 212011001211985 - 2¹⁵ = 212011001179217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212011001211985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586993701 + ... + 587354770.

It is an arithmetic number, because the mean of its divisors is an integer number (31802530970232).

Almost surely, 2^{212011001211985} is an apocalyptic number.

It is an amenable number.

212011001211985 is a deficient number, since it is larger than the sum of its proper divisors (42409246549871).

212011001211985 is a wasteful number, since it uses less digits than its factorization.

212011001211985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174384583.

The product of its (nonzero) digits is 2880, while the sum is 34.

The spelling of 212011001211985 in words is "two hundred twelve trillion, eleven billion, one million, two hundred eleven thousand, nine hundred eighty-five".