20212112221230 has 16 divisors (see below), whose sum is σ = 48509069331024. Its totient is φ = 5389896592320.

The previous prime is 20212112221187. The next prime is 20212112221363. The reversal of 20212112221230 is 3212221121202.

It is a junction number, because it is equal to n+sod(n) for n = 20212112221197 and 20212112221206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336868536991 + ... + 336868537050.

It is an arithmetic number, because the mean of its divisors is an integer number (3031816833189).

Almost surely, 2^{20212112221230} is an apocalyptic number.

20212112221230 is an abundant number, since it is smaller than the sum of its proper divisors (28296957109794).

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

20212112221230 is a wasteful number, since it uses less digits than its factorization.

20212112221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673737074051.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20212112221230 its reverse (3212221121202), we get a palindrome (23424333342432).

The spelling of 20212112221230 in words is "twenty trillion, two hundred twelve billion, one hundred twelve million, two hundred twenty-one thousand, two hundred thirty".