202202012021210 has 16 divisors (see below), whose sum is σ = 363994000254792. Its totient is φ = 80874054004800.

The previous prime is 202202012021203. The next prime is 202202012021227. The reversal of 202202012021210 is 12120210202202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 199598716899481 + 2603295121729 = 14127941^2 + 1613473^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843724661 + ... + 843964280.

Almost surely, 2^{202202012021210} is an apocalyptic number.

202202012021210 is a deficient number, since it is larger than the sum of its proper divisors (161791988233582).

202202012021210 is a wasteful number, since it uses less digits than its factorization.

202202012021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687700929.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202202012021210 its reverse (12120210202202), we get a palindrome (214322222223412).

The spelling of 202202012021210 in words is "two hundred two trillion, two hundred two billion, twelve million, twenty-one thousand, two hundred ten".