201212000420 has 48 divisors (see below), whose sum is σ = 428013465600. Its totient is φ = 79449600384.

The previous prime is 201212000417. The next prime is 201212000441. The reversal of 201212000420 is 24000212102.

201212000420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201212000420² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201212000395 and 201212000404.

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, 306422 + ... + 704498.

It is an arithmetic number, because the mean of its divisors is an integer number (8916947200).

Almost surely, 2^201212000420 is an apocalyptic number.

201212000420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201212000420 is an abundant number, since it is smaller than the sum of its proper divisors (226801465180).

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

201212000420 is a wasteful number, since it uses less digits than its factorization.

201212000420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398412 (or 398410 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201212000420 its reverse (24000212102), we get a palindrome (225212212522).

The spelling of 201212000420 in words is "two hundred one billion, two hundred twelve million, four hundred twenty", and thus it is an aban number.