1201233230311 has 8 divisors (see below), whose sum is σ = 1231493760000. Its totient is φ = 1171018517760.

The previous prime is 1201233230303. The next prime is 1201233230347. The reversal of 1201233230311 is 1130323321021.

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 1201233230311 - 2³ = 1201233230303 is a prime.

It is a super-2 number, since 2×1201233230311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201233236311) 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, 11401186 + ... + 11506063.

It is an arithmetic number, because the mean of its divisors is an integer number (153936720000).

Almost surely, 2^{1201233230311} is an apocalyptic number.

1201233230311 is a deficient number, since it is larger than the sum of its proper divisors (30260529689).

1201233230311 is a wasteful number, since it uses less digits than its factorization.

1201233230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22908569.

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

Adding to 1201233230311 its reverse (1130323321021), we get a palindrome (2331556551332).

The spelling of 1201233230311 in words is "one trillion, two hundred one billion, two hundred thirty-three million, two hundred thirty thousand, three hundred eleven".