1201022233123 has 8 divisors (see below), whose sum is σ = 1207432039968. Its totient is φ = 1194615590784.

The previous prime is 1201022233013. The next prime is 1201022233141. The reversal of 1201022233123 is 3213322201021.

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 1201022233123 - 2²⁵ = 1200988678691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201022233094 and 1201022233103.

It is not an unprimeable number, because it can be changed into a prime (1201022233153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28086 + ... + 1550107.

It is an arithmetic number, because the mean of its divisors is an integer number (150929004996).

Almost surely, 2^{1201022233123} is an apocalyptic number.

1201022233123 is a deficient number, since it is larger than the sum of its proper divisors (6409806845).

1201022233123 is a wasteful number, since it uses less digits than its factorization.

1201022233123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582253.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1201022233123 its reverse (3213322201021), we get a palindrome (4414344434144).

The spelling of 1201022233123 in words is "one trillion, two hundred one billion, twenty-two million, two hundred thirty-three thousand, one hundred twenty-three".