1201133101233 has 48 divisors (see below), whose sum is σ = 1762708469760. Its totient is φ = 727047921600.

The previous prime is 1201133101187. The next prime is 1201133101249. The reversal of 1201133101233 is 3321013311021.

It is a happy number.

It is not a de Polignac number, because 1201133101233 - 2⁸ = 1201133100977 is a prime.

It is a super-2 number, since 2×1201133101233² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201133101283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15475998 + ... + 15553416.

It is an arithmetic number, because the mean of its divisors is an integer number (36723093120).

Almost surely, 2^{1201133101233} is an apocalyptic number.

1201133101233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1201133101233 is a deficient number, since it is larger than the sum of its proper divisors (561575368527).

1201133101233 is a wasteful number, since it uses less digits than its factorization.

1201133101233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77950 (or 77937 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1201133101233 its reverse (3321013311021), we get a palindrome (4522146412254).

The spelling of 1201133101233 in words is "one trillion, two hundred one billion, one hundred thirty-three million, one hundred one thousand, two hundred thirty-three".