202012010221210 has 128 divisors (see below), whose sum is σ = 421718343805440. Its totient is φ = 68244280372224.

The previous prime is 202012010221193. The next prime is 202012010221237. The reversal of 202012010221210 is 12122010210202.

It is a happy number.

It is a super-2 number, since 2×202012010221210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 987456252 + ... + 987660808.

It is an arithmetic number, because the mean of its divisors is an integer number (3294674560980).

Almost surely, 2^{202012010221210} is an apocalyptic number.

202012010221210 is an abundant number, since it is smaller than the sum of its proper divisors (219706333584230).

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

202012010221210 is a wasteful number, since it uses less digits than its factorization.

202012010221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205400.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202012010221210 its reverse (12122010210202), we get a palindrome (214134020431412).

The spelling of 202012010221210 in words is "two hundred two trillion, twelve billion, ten million, two hundred twenty-one thousand, two hundred ten".