202021110011212 has 24 divisors (see below), whose sum is σ = 357038402661360. Its totient is φ = 100010143953600.

The previous prime is 202021110011209. The next prime is 202021110011233. The reversal of 202021110011212 is 212110011120202.

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, 189735739 + ... + 190797517.

It is an arithmetic number, because the mean of its divisors is an integer number (14876600110890).

Almost surely, 2^{202021110011212} is an apocalyptic number.

It is an amenable number.

202021110011212 is a deficient number, since it is larger than the sum of its proper divisors (155017292650148).

202021110011212 is a wasteful number, since it uses less digits than its factorization.

202021110011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532841 (or 1532839 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202021110011212 its reverse (212110011120202), we get a palindrome (414131121131414).

The spelling of 202021110011212 in words is "two hundred two trillion, twenty-one billion, one hundred ten million, eleven thousand, two hundred twelve".