1201121233024 has 16 divisors (see below), whose sum is σ = 2392858706670. Its totient is φ = 600560616448.

The previous prime is 1201121233003. The next prime is 1201121233027. The reversal of 1201121233024 is 4203321211021.

It can be written as a sum of positive squares in only one way, i.e., 1145156814400 + 55964418624 = 1070120^2 + 236568^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 1201121232986 and 1201121233004.

It is not an unprimeable number, because it can be changed into a prime (1201121233027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4691879689 + ... + 4691879944.

Almost surely, 2^{1201121233024} is an apocalyptic number.

It is an amenable number.

1201121233024 is a deficient number, since it is larger than the sum of its proper divisors (1191737473646).

1201121233024 is an frugal number, since it uses more digits than its factorization.

1201121233024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9383759647 (or 9383759635 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1201121233024 its reverse (4203321211021), we get a palindrome (5404442444045).

The spelling of 1201121233024 in words is "one trillion, two hundred one billion, one hundred twenty-one million, two hundred thirty-three thousand, twenty-four".