1201002022023 has 4 divisors (see below), whose sum is σ = 1601336029368. Its totient is φ = 800668014680.

The previous prime is 1201002022007. The next prime is 1201002022043. The reversal of 1201002022023 is 3202202001021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201002022023 - 2⁴ = 1201002022007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201002021993 and 1201002022011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201002022043) 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 3 ways as a sum of consecutive naturals, for example, 200167003668 + ... + 200167003673.

It is an arithmetic number, because the mean of its divisors is an integer number (400334007342).

Almost surely, 2^{1201002022023} is an apocalyptic number.

1201002022023 is a deficient number, since it is larger than the sum of its proper divisors (400334007345).

1201002022023 is an equidigital number, since it uses as much as digits as its factorization.

1201002022023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400334007344.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1201002022023 its reverse (3202202001021), we get a palindrome (4403204023044).

The spelling of 1201002022023 in words is "one trillion, two hundred one billion, two million, twenty-two thousand, twenty-three".