212011221002 has 16 divisors (see below), whose sum is σ = 379249886592. Its totient is φ = 86911432080.

The previous prime is 212011220999. The next prime is 212011221013. The reversal of 212011221002 is 200122110212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329209649 + ... + 329210292.

It is an arithmetic number, because the mean of its divisors is an integer number (23703117912).

Almost surely, 2^212011221002 is an apocalyptic number.

212011221002 is a deficient number, since it is larger than the sum of its proper divisors (167238665590).

212011221002 is a wasteful number, since it uses less digits than its factorization.

212011221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658419973.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212011221002 its reverse (200122110212), we get a palindrome (412133331214).

The spelling of 212011221002 in words is "two hundred twelve billion, eleven million, two hundred twenty-one thousand, two".