1233120211001 has 4 divisors (see below), whose sum is σ = 1409280241152. Its totient is φ = 1056960180852.

The previous prime is 1233120210997. The next prime is 1233120211009. The reversal of 1233120211001 is 1001120213321.

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 1233120211001 - 2² = 1233120210997 is a prime.

It is a super-2 number, since 2×1233120211001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1233120211009) 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, 88080015065 + ... + 88080015078.

It is an arithmetic number, because the mean of its divisors is an integer number (352320060288).

Almost surely, 2^{1233120211001} is an apocalyptic number.

It is an amenable number.

1233120211001 is a deficient number, since it is larger than the sum of its proper divisors (176160030151).

1233120211001 is an equidigital number, since it uses as much as digits as its factorization.

1233120211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176160030150.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1233120211001 its reverse (1001120213321), we get a palindrome (2234240424322).

The spelling of 1233120211001 in words is "one trillion, two hundred thirty-three billion, one hundred twenty million, two hundred eleven thousand, one".