212012201212002 has 48 divisors (see below), whose sum is σ = 462842898361272. Its totient is φ = 70136656934400.

The previous prime is 212012201211971. The next prime is 212012201212003. The reversal of 212012201212002 is 200212102210212.

It is a happy number.

212012201212002 is a `hidden beast` number, since 2 + 120 + 1 + 220 + 121 + 200 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 211005809029521 + 1006392182481 = 14526039^2 + 1003191^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212012201212003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73128073 + ... + 75971964.

Almost surely, 2^{212012201212002} is an apocalyptic number.

212012201212002 is an abundant number, since it is smaller than the sum of its proper divisors (250830697149270).

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

212012201212002 is a wasteful number, since it uses less digits than its factorization.

212012201212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149100643 (or 149100640 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212012201212002 its reverse (200212102210212), we get a palindrome (412224303422214).

The spelling of 212012201212002 in words is "two hundred twelve trillion, twelve billion, two hundred one million, two hundred twelve thousand, two".