1201231120333 has 4 divisors (see below), whose sum is σ = 1201234542688. Its totient is φ = 1201227697980.

The previous prime is 1201231120303. The next prime is 1201231120357. The reversal of 1201231120333 is 3330211321021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201231120333 - 2¹⁷ = 1201230989261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201231120303) 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, 1115583 + ... + 1909708.

It is an arithmetic number, because the mean of its divisors is an integer number (300308635672).

Almost surely, 2^{1201231120333} is an apocalyptic number.

It is an amenable number.

1201231120333 is a deficient number, since it is larger than the sum of its proper divisors (3422355).

1201231120333 is an equidigital number, since it uses as much as digits as its factorization.

1201231120333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422354.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1201231120333 its reverse (3330211321021), we get a palindrome (4531442441354).

The spelling of 1201231120333 in words is "one trillion, two hundred one billion, two hundred thirty-one million, one hundred twenty thousand, three hundred thirty-three".