201202201121212 has 48 divisors (see below), whose sum is σ = 365514391831680. Its totient is φ = 96840193305600.

The previous prime is 201202201121101. The next prime is 201202201121269. The reversal of 201202201121212 is 212121102202102.

It is a self number, because there is not a number n which added to its sum of digits gives 201202201121212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176739364 + ... + 177874132.

It is an arithmetic number, because the mean of its divisors is an integer number (7614883163160).

Almost surely, 2^{201202201121212} is an apocalyptic number.

It is an amenable number.

201202201121212 is a deficient number, since it is larger than the sum of its proper divisors (164312190710468).

201202201121212 is a wasteful number, since it uses less digits than its factorization.

201202201121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150342 (or 1150340 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201202201121212 its reverse (212121102202102), we get a palindrome (413323303323314).

The spelling of 201202201121212 in words is "two hundred one trillion, two hundred two billion, two hundred one million, one hundred twenty-one thousand, two hundred twelve".