1201123120032 has 72 divisors (see below), whose sum is σ = 3726211507200. Its totient is φ = 363976702080.

The previous prime is 1201123120031. The next prime is 1201123120039. The reversal of 1201123120032 is 2300213211021.

1201123120032 is a `hidden beast` number, since 1 + 201 + 1 + 231 + 200 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1201123119987 and 1201123120014.

It is not an unprimeable number, because it can be changed into a prime (1201123120031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189568032 + ... + 189574367.

It is an arithmetic number, because the mean of its divisors is an integer number (51752937600).

Almost surely, 2^{1201123120032} is an apocalyptic number.

1201123120032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201123120032 is an abundant number, since it is smaller than the sum of its proper divisors (2525088387168).

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

1201123120032 is a wasteful number, since it uses less digits than its factorization.

1201123120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379142426 (or 379142415 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1201123120032 its reverse (2300213211021), we get a palindrome (3501336331053).

The spelling of 1201123120032 in words is "one trillion, two hundred one billion, one hundred twenty-three million, one hundred twenty thousand, thirty-two".