212120312200002 has 48 divisors (see below), whose sum is σ = 481460333328000. Its totient is φ = 67404446639712.

The previous prime is 212120312199989. The next prime is 212120312200033. The reversal of 212120312200002 is 200002213021212.

212120312200002 is a `hidden beast` number, since 212 + 120 + 312 + 20 + 0 + 0 + 0 + 2 = 666.

It is a super-4 number, since 4×212120312200002⁴ (a number of 58 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2571862252 + ... + 2571944727.

It is an arithmetic number, because the mean of its divisors is an integer number (10030423611000).

Almost surely, 2^{212120312200002} is an apocalyptic number.

212120312200002 is an abundant number, since it is smaller than the sum of its proper divisors (269340021127998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212120312200002 is a wasteful number, since it uses less digits than its factorization.

212120312200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143807095 (or 5143807092 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212120312200002 its reverse (200002213021212), we get a palindrome (412122525221214).

The spelling of 212120312200002 in words is "two hundred twelve trillion, one hundred twenty billion, three hundred twelve million, two hundred thousand, two".