1201233033001 has 4 divisors (see below), whose sum is σ = 1205022411972. Its totient is φ = 1197443654032.

The previous prime is 1201233032963. The next prime is 1201233033017. The reversal of 1201233033001 is 1003303321021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29773157401 + 1171459875600 = 172549^2 + 1082340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201233033001 - 2¹¹ = 1201233030953 is a prime.

It is a super-3 number, since 3×1201233033001³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201233033001.

It is not an unprimeable number, because it can be changed into a prime (1201233033031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1894689010 + ... + 1894689643.

It is an arithmetic number, because the mean of its divisors is an integer number (301255602993).

Almost surely, 2^{1201233033001} is an apocalyptic number.

It is an amenable number.

1201233033001 is a deficient number, since it is larger than the sum of its proper divisors (3789378971).

1201233033001 is an equidigital number, since it uses as much as digits as its factorization.

1201233033001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789378970.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1201233033001 its reverse (1003303321021), we get a palindrome (2204536354022).

The spelling of 1201233033001 in words is "one trillion, two hundred one billion, two hundred thirty-three million, thirty-three thousand, one".