1201012133323 has 8 divisors (see below), whose sum is σ = 1201402326800. Its totient is φ = 1200622016160.

The previous prime is 1201012133303. The next prime is 1201012133329. The reversal of 1201012133323 is 3233312101021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201012133323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201012133294 and 1201012133303.

It is not an unprimeable number, because it can be changed into a prime (1201012133329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50090728 + ... + 50114698.

It is an arithmetic number, because the mean of its divisors is an integer number (150175290850).

Almost surely, 2^{1201012133323} is an apocalyptic number.

1201012133323 is a deficient number, since it is larger than the sum of its proper divisors (390193477).

1201012133323 is an equidigital number, since it uses as much as digits as its factorization.

1201012133323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38157.

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

Adding to 1201012133323 its reverse (3233312101021), we get a palindrome (4434324234344).

The spelling of 1201012133323 in words is "one trillion, two hundred one billion, twelve million, one hundred thirty-three thousand, three hundred twenty-three".