1201012312023 has 12 divisors (see below), whose sum is σ = 1826100591640. Its totient is φ = 758534091696.

The previous prime is 1201012312001. The next prime is 1201012312063. The reversal of 1201012312023 is 3202132101021.

It is not a de Polignac number, because 1201012312023 - 2⁵ = 1201012311991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201012311987 and 1201012312005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201012312063) 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 11 ways as a sum of consecutive naturals, for example, 3511731736 + ... + 3511732077.

Almost surely, 2^{1201012312023} is an apocalyptic number.

1201012312023 is a deficient number, since it is larger than the sum of its proper divisors (625088279617).

1201012312023 is a wasteful number, since it uses less digits than its factorization.

1201012312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023463838 (or 7023463835 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1201012312023 its reverse (3202132101021), we get a palindrome (4403144413044).

The spelling of 1201012312023 in words is "one trillion, two hundred one billion, twelve million, three hundred twelve thousand, twenty-three".