201212002102220 has 48 divisors (see below), whose sum is σ = 447423011316288. Its totient is φ = 75746640936960.

The previous prime is 201212002102217. The next prime is 201212002102231. The reversal of 201212002102220 is 22201200212102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7822112 + ... + 21531591.

It is an arithmetic number, because the mean of its divisors is an integer number (9321312735756).

Almost surely, 2^{201212002102220} is an apocalyptic number.

201212002102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201212002102220 is an abundant number, since it is smaller than the sum of its proper divisors (246211009214068).

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

201212002102220 is a wasteful number, since it uses less digits than its factorization.

201212002102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29373890 (or 29373888 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201212002102220 its reverse (22201200212102), we get a palindrome (223413202314322).

The spelling of 201212002102220 in words is "two hundred one trillion, two hundred twelve billion, two million, one hundred two thousand, two hundred twenty".