20120101222130 has 32 divisors (see below), whose sum is σ = 44573762709504. Its totient is φ = 6367680386496.

The previous prime is 20120101222099. The next prime is 20120101222139. The reversal of 20120101222130 is 3122210102102.

It is a junction number, because it is equal to n+sod(n) for n = 20120101222099 and 20120101222108.

It is not an unprimeable number, because it can be changed into a prime (20120101222139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11054999762 + ... + 11055001581.

It is an arithmetic number, because the mean of its divisors is an integer number (1392930084672).

Almost surely, 2^{20120101222130} is an apocalyptic number.

20120101222130 is an abundant number, since it is smaller than the sum of its proper divisors (24453661487374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20120101222130 is a wasteful number, since it uses less digits than its factorization.

20120101222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22110001370.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20120101222130 its reverse (3122210102102), we get a palindrome (23242311324232).

The spelling of 20120101222130 in words is "twenty trillion, one hundred twenty billion, one hundred one million, two hundred twenty-two thousand, one hundred thirty".