201230211223220 has 48 divisors (see below), whose sum is σ = 425879768115648. Its totient is φ = 79864416602880.

The previous prime is 201230211223163. The next prime is 201230211223277. The reversal of 201230211223220 is 22322112032102.

It is a happy number.

201230211223220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201230211223163) and next prime (201230211223277).

It is a congruent number.

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, 9477752 + ... + 22187568.

It is an arithmetic number, because the mean of its divisors is an integer number (8872495169076).

Almost surely, 2^{201230211223220} is an apocalyptic number.

201230211223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201230211223220 is an abundant number, since it is smaller than the sum of its proper divisors (224649556892428).

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

201230211223220 is a wasteful number, since it uses less digits than its factorization.

201230211223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12716000 (or 12715998 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201230211223220 its reverse (22322112032102), we get a palindrome (223552323255322).

The spelling of 201230211223220 in words is "two hundred one trillion, two hundred thirty billion, two hundred eleven million, two hundred twenty-three thousand, two hundred twenty".