20020212001212 has 12 divisors (see below), whose sum is σ = 46713828002856. Its totient is φ = 6673404000400.

The previous prime is 20020212001151. The next prime is 20020212001297. The reversal of 20020212001212 is 21210021202002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20020212001191 and 20020212001200.

It is a congruent number.

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, 834175500039 + ... + 834175500062.

It is an arithmetic number, because the mean of its divisors is an integer number (3892819000238).

Almost surely, 2^{20020212001212} is an apocalyptic number.

It is an amenable number.

20020212001212 is an abundant number, since it is smaller than the sum of its proper divisors (26693616001644).

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

20020212001212 is a wasteful number, since it uses less digits than its factorization.

20020212001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668351000108 (or 1668351000106 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20020212001212 its reverse (21210021202002), we get a palindrome (41230233203214).

The spelling of 20020212001212 in words is "twenty trillion, twenty billion, two hundred twelve million, one thousand, two hundred twelve".