212102121221002 has 8 divisors (see below), whose sum is σ = 322901736784416. Its totient is φ = 104468208959532.

The previous prime is 212102121220987. The next prime is 212102121221071. The reversal of 212102121221002 is 200122121201212.

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, 791425825318 + ... + 791425825585.

It is an arithmetic number, because the mean of its divisors is an integer number (40362717098052).

Almost surely, 2^{212102121221002} is an apocalyptic number.

212102121221002 is a deficient number, since it is larger than the sum of its proper divisors (110799615563414).

212102121221002 is a wasteful number, since it uses less digits than its factorization.

212102121221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582851650972.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212102121221002 its reverse (200122121201212), we get a palindrome (412224242422214).

The spelling of 212102121221002 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty-one thousand, two".