212220021201002 has 4 divisors (see below), whose sum is σ = 318330031801506. Its totient is φ = 106110010600500.

The previous prime is 212220021200923. The next prime is 212220021201127. The reversal of 212220021201002 is 200102120022212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 182654387070961 + 29565634130041 = 13514969^2 + 5437429^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53055005300249 + ... + 53055005300252.

Almost surely, 2^{212220021201002} is an apocalyptic number.

212220021201002 is a deficient number, since it is larger than the sum of its proper divisors (106110010600504).

212220021201002 is a wasteful number, since it uses less digits than its factorization.

212220021201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106110010600503.

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

Adding to 212220021201002 its reverse (200102120022212), we get a palindrome (412322141223214).

The spelling of 212220021201002 in words is "two hundred twelve trillion, two hundred twenty billion, twenty-one million, two hundred one thousand, two".