213120302202 has 80 divisors (see below), whose sum is σ = 498906837000. Its totient is φ = 67911177600.

The previous prime is 213120302189. The next prime is 213120302261. The reversal of 213120302202 is 202203021312.

It can be written as a sum of positive squares in 4 ways, for example, as 212925950721 + 194351481 = 461439^2 + 13941^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 249924 + ... + 699072.

Almost surely, 2^213120302202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213120302202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249453418500).

213120302202 is an abundant number, since it is smaller than the sum of its proper divisors (285786534798).

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

213120302202 is a wasteful number, since it uses less digits than its factorization.

213120302202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449293 (or 449284 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 213120302202 its reverse (202203021312), we get a palindrome (415323323514).

The spelling of 213120302202 in words is "two hundred thirteen billion, one hundred twenty million, three hundred two thousand, two hundred two".