12020020212072 has 32 divisors (see below), whose sum is σ = 30330892130400. Its totient is φ = 3969227857344.

The previous prime is 12020020211999. The next prime is 12020020212073. The reversal of 12020020212072 is 27021202002021.

It is not an unprimeable number, because it can be changed into a prime (12020020212073) 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, 2340344047 + ... + 2340349182.

It is an arithmetic number, because the mean of its divisors is an integer number (947840379075).

Almost surely, 2^{12020020212072} is an apocalyptic number.

12020020212072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12020020212072 is an abundant number, since it is smaller than the sum of its proper divisors (18310871918328).

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

12020020212072 is a wasteful number, since it uses less digits than its factorization.

12020020212072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680693345 (or 4680693341 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

Adding to 12020020212072 its reverse (27021202002021), we get a palindrome (39041222214093).

The spelling of 12020020212072 in words is "twelve trillion, twenty billion, twenty million, two hundred twelve thousand, seventy-two".