212312212002 has 48 divisors (see below), whose sum is σ = 503093103552. Its totient is φ = 64174952160.

The previous prime is 212312211983. The next prime is 212312212039. The reversal of 212312212002 is 200212213212.

212312212002 is a `hidden beast` number, since 212 + 31 + 221 + 200 + 2 = 666.

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

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 23 ways as a sum of consecutive naturals, for example, 1271878 + ... + 1429089.

It is an arithmetic number, because the mean of its divisors is an integer number (10481106324).

Almost surely, 2^212312212002 is an apocalyptic number.

212312212002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212312212002 is an abundant number, since it is smaller than the sum of its proper divisors (290780891550).

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

212312212002 is a wasteful number, since it uses less digits than its factorization.

212312212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701383 (or 2701380 counting only the distinct ones).

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

Adding to 212312212002 its reverse (200212213212), we get a palindrome (412524425214).

The spelling of 212312212002 in words is "two hundred twelve billion, three hundred twelve million, two hundred twelve thousand, two".