20121134222 has 16 divisors (see below), whose sum is σ = 35295545472. Its totient is φ = 8422800120.

The previous prime is 20121134221. The next prime is 20121134303. The reversal of 20121134222 is 22243112102.

It is a super-3 number, since 3×20121134222³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20121134194 and 20121134203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121134221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16711304 + ... + 16712507.

It is an arithmetic number, because the mean of its divisors is an integer number (2205971592).

Almost surely, 2^20121134222 is an apocalyptic number.

20121134222 is a deficient number, since it is larger than the sum of its proper divisors (15174411250).

20121134222 is a wasteful number, since it uses less digits than its factorization.

20121134222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33423863.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20121134222 its reverse (22243112102), we get a palindrome (42364246324).

The spelling of 20121134222 in words is "twenty billion, one hundred twenty-one million, one hundred thirty-four thousand, two hundred twenty-two".