20121011200222 has 8 divisors (see below), whose sum is σ = 30594962236176. Its totient is φ = 9922690454832.

The previous prime is 20121011200141. The next prime is 20121011200249. The reversal of 20121011200222 is 22200211012102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20121011200196 and 20121011200205.

It is a congruent number.

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, 68907572458 + ... + 68907572749.

It is an arithmetic number, because the mean of its divisors is an integer number (3824370279522).

Almost surely, 2^{20121011200222} is an apocalyptic number.

20121011200222 is a deficient number, since it is larger than the sum of its proper divisors (10473951035954).

20121011200222 is a wasteful number, since it uses less digits than its factorization.

20121011200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137815145282.

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

Adding to 20121011200222 its reverse (22200211012102), we get a palindrome (42321222212324).

The spelling of 20121011200222 in words is "twenty trillion, one hundred twenty-one billion, eleven million, two hundred thousand, two hundred twenty-two".