210202120212 has 144 divisors (see below), whose sum is σ = 573099468480. Its totient is φ = 59789990400.

The previous prime is 210202120189. The next prime is 210202120229. The reversal of 210202120212 is 212021202012.

It is a junction number, because it is equal to n+sod(n) for n = 210202120191 and 210202120200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206282239 + ... + 206283257.

It is an arithmetic number, because the mean of its divisors is an integer number (3979857420).

Almost surely, 2^210202120212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210202120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286549734240).

210202120212 is an abundant number, since it is smaller than the sum of its proper divisors (362897348268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210202120212 is a wasteful number, since it uses less digits than its factorization.

210202120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210202120212 its reverse (212021202012), we get a palindrome (422223322224).

The spelling of 210202120212 in words is "two hundred ten billion, two hundred two million, one hundred twenty thousand, two hundred twelve".