210210042312202 has 4 divisors (see below), whose sum is σ = 315315063468306. Its totient is φ = 105105021156100.

The previous prime is 210210042312197. The next prime is 210210042312223. The reversal of 210210042312202 is 202213240012012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 128849083071241 + 81360959240961 = 11351171^2 + 9020031^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52552510578049 + ... + 52552510578052.

Almost surely, 2^{210210042312202} is an apocalyptic number.

210210042312202 is a deficient number, since it is larger than the sum of its proper divisors (105105021156104).

210210042312202 is a wasteful number, since it uses less digits than its factorization.

210210042312202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105105021156103.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 210210042312202 its reverse (202213240012012), we get a palindrome (412423282324214).

The spelling of 210210042312202 in words is "two hundred ten trillion, two hundred ten billion, forty-two million, three hundred twelve thousand, two hundred two".