212120221202 has 8 divisors (see below), whose sum is σ = 318195840000. Its totient is φ = 106054941204.

The previous prime is 212120221147. The next prime is 212120221303. The reversal of 212120221202 is 202122021212.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533202 + ... + 2615597.

It is an arithmetic number, because the mean of its divisors is an integer number (39774480000).

Almost surely, 2^212120221202 is an apocalyptic number.

212120221202 is a deficient number, since it is larger than the sum of its proper divisors (106075618798).

212120221202 is a wasteful number, since it uses less digits than its factorization.

212120221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169400.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212120221202 its reverse (202122021212), we get a palindrome (414242242414).

The spelling of 212120221202 in words is "two hundred twelve billion, one hundred twenty million, two hundred twenty-one thousand, two hundred two".