202001021210 has 8 divisors (see below), whose sum is σ = 363601838196. Its totient is φ = 80800408480.

The previous prime is 202001021203. The next prime is 202001021213. The reversal of 202001021210 is 12120100202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 197680719769 + 4320301441 = 444613^2 + 65729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202001021191 and 202001021200.

It is not an unprimeable number, because it can be changed into a prime (202001021213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10100051051 + ... + 10100051070.

Almost surely, 2^202001021210 is an apocalyptic number.

202001021210 is a deficient number, since it is larger than the sum of its proper divisors (161600816986).

202001021210 is a wasteful number, since it uses less digits than its factorization.

202001021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200102128.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202001021210 its reverse (12120100202), we get a palindrome (214121121412).

The spelling of 202001021210 in words is "two hundred two billion, one million, twenty-one thousand, two hundred ten".