20120202011212 has 12 divisors (see below), whose sum is σ = 35212650603480. Its totient is φ = 10059444695936.

The previous prime is 20120202011167. The next prime is 20120202011227. The reversal of 20120202011212 is 21211020202102.

It is a happy number.

It is a super-3 number, since 3×20120202011212³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164008438 + ... + 164131069.

It is an arithmetic number, because the mean of its divisors is an integer number (2934387550290).

Almost surely, 2^{20120202011212} is an apocalyptic number.

It is an amenable number.

20120202011212 is a deficient number, since it is larger than the sum of its proper divisors (15092448592268).

20120202011212 is a wasteful number, since it uses less digits than its factorization.

20120202011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328154840 (or 328154838 counting only the distinct ones).

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

Adding to 20120202011212 its reverse (21211020202102), we get a palindrome (41331222213314).

The spelling of 20120202011212 in words is "twenty trillion, one hundred twenty billion, two hundred two million, eleven thousand, two hundred twelve".