201002012120 has 96 divisors (see below), whose sum is σ = 566560688400. Its totient is φ = 63613815552.

The previous prime is 201002012089. The next prime is 201002012129. The reversal of 201002012120 is 21210200102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002012129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3918830 + ... + 3969789.

Almost surely, 2^201002012120 is an apocalyptic number.

201002012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002012120 is an abundant number, since it is smaller than the sum of its proper divisors (365558676280).

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

201002012120 is a wasteful number, since it uses less digits than its factorization.

201002012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888657 (or 7888646 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201002012120 its reverse (21210200102), we get a palindrome (222212212222).

The spelling of 201002012120 in words is "two hundred one billion, two million, twelve thousand, one hundred twenty".