12011201031023 has 8 divisors (see below), whose sum is σ = 13387097124720. Its totient is φ = 10709677699200.

The previous prime is 12011201030999. The next prime is 12011201031043. The reversal of 12011201031023 is 32013010211021.

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 12011201031023 - 2¹⁴ = 12011201014639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011201030992 and 12011201031010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011201031043) 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, 18593190128 + ... + 18593190773.

It is an arithmetic number, because the mean of its divisors is an integer number (1673387140590).

Almost surely, 2^{12011201031023} is an apocalyptic number.

12011201031023 is a deficient number, since it is larger than the sum of its proper divisors (1375896093697).

12011201031023 is a wasteful number, since it uses less digits than its factorization.

12011201031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37186380937.

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

Adding to 12011201031023 its reverse (32013010211021), we get a palindrome (44024211242044).

The spelling of 12011201031023 in words is "twelve trillion, eleven billion, two hundred one million, thirty-one thousand, twenty-three".