201201201120 has 96 divisors (see below), whose sum is σ = 633880289952. Its totient is φ = 53645484032.

The previous prime is 201201201059. The next prime is 201201201127. The reversal of 201201201120 is 21102102102.

It is a tau number, because it is divible by the number of its divisors (96).

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 = 201201201096 and 201201201105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201201127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3539644 + ... + 3596036.

It is an arithmetic number, because the mean of its divisors is an integer number (6602919687).

Almost surely, 2^201201201120 is an apocalyptic number.

201201201120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201201201120 is an abundant number, since it is smaller than the sum of its proper divisors (432679088832).

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

201201201120 is a wasteful number, since it uses less digits than its factorization.

201201201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63844 (or 63836 counting only the distinct ones).

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

Adding to 201201201120 its reverse (21102102102), we get a palindrome (222303303222).

The spelling of 201201201120 in words is "two hundred one billion, two hundred one million, two hundred one thousand, one hundred twenty".