20120020212201 has 128 divisors (see below), whose sum is σ = 35590124666880. Its totient is φ = 9816765235200.

The previous prime is 20120020212157. The next prime is 20120020212203. The reversal of 20120020212201 is 10221202002102.

It is not a de Polignac number, because 20120020212201 - 2⁷ = 20120020212073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120020212203) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 274223761 + ... + 274297121.

It is an arithmetic number, because the mean of its divisors is an integer number (278047848960).

Almost surely, 2^{20120020212201} is an apocalyptic number.

20120020212201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20120020212201 is a deficient number, since it is larger than the sum of its proper divisors (15470104454679).

20120020212201 is a wasteful number, since it uses less digits than its factorization.

20120020212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74847.

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

Adding to 20120020212201 its reverse (10221202002102), we get a palindrome (30341222214303).

The spelling of 20120020212201 in words is "twenty trillion, one hundred twenty billion, twenty million, two hundred twelve thousand, two hundred one".