20012320422212 has 12 divisors (see below), whose sum is σ = 35050721080956. Its totient is φ = 9997828684800.

The previous prime is 20012320422179. The next prime is 20012320422223. The reversal of 20012320422212 is 21222402321002.

It can be written as a sum of positive squares in 2 ways, for example, as 6595527966976 + 13416792455236 = 2568176^2 + 3662894^2 .

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, 2082876173 + ... + 2082885780.

It is an arithmetic number, because the mean of its divisors is an integer number (2920893423413).

Almost surely, 2^{20012320422212} is an apocalyptic number.

It is an amenable number.

20012320422212 is a deficient number, since it is larger than the sum of its proper divisors (15038400658744).

20012320422212 is a wasteful number, since it uses less digits than its factorization.

20012320422212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165763158 (or 4165763156 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20012320422212 its reverse (21222402321002), we get a palindrome (41234722743214).

The spelling of 20012320422212 in words is "twenty trillion, twelve billion, three hundred twenty million, four hundred twenty-two thousand, two hundred twelve".