20212102312230 has 32 divisors (see below), whose sum is σ = 48509464821984. Its totient is φ = 5389847364096.

The previous prime is 20212102312223. The next prime is 20212102312247. The reversal of 20212102312230 is 3221320121202.

It is a junction number, because it is equal to n+sod(n) for n = 20212102312197 and 20212102312206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690222 + ... + 6395358.

It is an arithmetic number, because the mean of its divisors is an integer number (1515920775687).

Almost surely, 2^{20212102312230} is an apocalyptic number.

20212102312230 is an abundant number, since it is smaller than the sum of its proper divisors (28297362509754).

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

20212102312230 is a wasteful number, since it uses less digits than its factorization.

20212102312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823240.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20212102312230 its reverse (3221320121202), we get a palindrome (23433422433432).

The spelling of 20212102312230 in words is "twenty trillion, two hundred twelve billion, one hundred two million, three hundred twelve thousand, two hundred thirty".