210322021012 has 12 divisors (see below), whose sum is σ = 370533762900. Its totient is φ = 104455231616.

The previous prime is 210322021009. The next prime is 210322021037. The reversal of 210322021012 is 210120223012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 81696502276 + 128625518736 = 285826^2 + 358644^2 .

It is a congruent number.

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, 176444053 + ... + 176445244.

It is an arithmetic number, because the mean of its divisors is an integer number (30877813575).

Almost surely, 2^210322021012 is an apocalyptic number.

It is an amenable number.

210322021012 is a deficient number, since it is larger than the sum of its proper divisors (160211741888).

210322021012 is a wasteful number, since it uses less digits than its factorization.

210322021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352889450 (or 352889448 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210322021012 its reverse (210120223012), we get a palindrome (420442244024).

The spelling of 210322021012 in words is "two hundred ten billion, three hundred twenty-two million, twenty-one thousand, twelve".