1201331011223 has 8 divisors (see below), whose sum is σ = 1373258221440. Its totient is φ = 1029480924600.

The previous prime is 1201331011187. The next prime is 1201331011291. The reversal of 1201331011223 is 3221101331021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201331011223 - 2¹⁰ = 1201331010199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201331011195 and 1201331011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201331511223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19247513 + ... + 19309826.

It is an arithmetic number, because the mean of its divisors is an integer number (171657277680).

Almost surely, 2^{1201331011223} is an apocalyptic number.

1201331011223 is a deficient number, since it is larger than the sum of its proper divisors (171927210217).

1201331011223 is an equidigital number, since it uses as much as digits as its factorization.

1201331011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38561797.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1201331011223 its reverse (3221101331021), we get a palindrome (4422432342244).

The spelling of 1201331011223 in words is "one trillion, two hundred one billion, three hundred thirty-one million, eleven thousand, two hundred twenty-three".