2001212012312 has 8 divisors (see below), whose sum is σ = 3752272523100. Its totient is φ = 1000606006152.

The previous prime is 2001212012299. The next prime is 2001212012419. The reversal of 2001212012312 is 2132102121002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125075750762 + ... + 125075750777.

Almost surely, 2^{2001212012312} is an apocalyptic number.

It is an amenable number.

2001212012312 is a deficient number, since it is larger than the sum of its proper divisors (1751060510788).

2001212012312 is a wasteful number, since it uses less digits than its factorization.

2001212012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250151501545 (or 250151501541 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2001212012312 its reverse (2132102121002), we get a palindrome (4133314133314).

The spelling of 2001212012312 in words is "two trillion, one billion, two hundred twelve million, twelve thousand, three hundred twelve".