212122002 has 8 divisors (see below), whose sum is σ = 424244016. Its totient is φ = 70707332.

The previous prime is 212121989. The next prime is 212122007. The reversal of 212122002 is 200221212.

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

212122002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (212122007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17676828 + ... + 17676839.

It is an arithmetic number, because the mean of its divisors is an integer number (53030502).

Almost surely, 2^212122002 is an apocalyptic number.

212122002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212122002 is a wasteful number, since it uses less digits than its factorization.

212122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35353672.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 212122002 is about 14564.4087418611. The cubic root of 212122002 is about 596.3875551645.

Adding to 212122002 its reverse (200221212), we get a palindrome (412343214).

It can be divided in two parts, 21212 and 2002, that multiplied together give a palindrome (42466424).

The spelling of 212122002 in words is "two hundred twelve million, one hundred twenty-two thousand, two".