201000001212120 has 128 divisors (see below), whose sum is σ = 673116283319040. Its totient is φ = 47594080611840.

The previous prime is 201000001212061. The next prime is 201000001212151. The reversal of 201000001212120 is 21212100000102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201000001212096 and 201000001212105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1770556359 + ... + 1770669878.

It is an arithmetic number, because the mean of its divisors is an integer number (5258720963430).

Almost surely, 2^{201000001212120} is an apocalyptic number.

201000001212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000001212120 is an abundant number, since it is smaller than the sum of its proper divisors (472116282106920).

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

201000001212120 is a wasteful number, since it uses less digits than its factorization.

201000001212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541226305 (or 3541226301 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201000001212120 its reverse (21212100000102), we get a palindrome (222212101212222).

The spelling of 201000001212120 in words is "two hundred one trillion, one million, two hundred twelve thousand, one hundred twenty".