201012123320 has 16 divisors (see below), whose sum is σ = 452277277560. Its totient is φ = 80404849312.

The previous prime is 201012123311. The next prime is 201012123331. The reversal of 201012123320 is 23321210102.

201012123320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201012123320² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2512651502 + ... + 2512651581.

Almost surely, 2^201012123320 is an apocalyptic number.

201012123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201012123320 is an abundant number, since it is smaller than the sum of its proper divisors (251265154240).

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

201012123320 is a wasteful number, since it uses less digits than its factorization.

201012123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025303094 (or 5025303090 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201012123320 its reverse (23321210102), we get a palindrome (224333333422).

The spelling of 201012123320 in words is "two hundred one billion, twelve million, one hundred twenty-three thousand, three hundred twenty".