12020200111212 has 24 divisors (see below), whose sum is σ = 28805164231536. Its totient is φ = 3898443279168.

The previous prime is 12020200111211. The next prime is 12020200111217. The reversal of 12020200111212 is 21211100202021.

It is a junction number, because it is equal to n+sod(n) for n = 12020200111191 and 12020200111200.

It is not an unprimeable number, because it can be changed into a prime (12020200111211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13536260943 + ... + 13536261830.

It is an arithmetic number, because the mean of its divisors is an integer number (1200215176314).

Almost surely, 2^{12020200111212} is an apocalyptic number.

12020200111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12020200111212 is an abundant number, since it is smaller than the sum of its proper divisors (16784964120324).

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

12020200111212 is a wasteful number, since it uses less digits than its factorization.

12020200111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27072522817 (or 27072522815 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12020200111212 its reverse (21211100202021), we get a palindrome (33231300313233).

The spelling of 12020200111212 in words is "twelve trillion, twenty billion, two hundred million, one hundred eleven thousand, two hundred twelve".