12201220031023 has 16 divisors (see below), whose sum is σ = 12973346454240. Its totient is φ = 11442138624000.

The previous prime is 12201220030999. The next prime is 12201220031027. The reversal of 12201220031023 is 32013002210221.

It is a cyclic number.

It is not a de Polignac number, because 12201220031023 - 2³³ = 12192630096431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201220031027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8254143 + ... + 9619423.

It is an arithmetic number, because the mean of its divisors is an integer number (810834153390).

Almost surely, 2^{12201220031023} is an apocalyptic number.

12201220031023 is a deficient number, since it is larger than the sum of its proper divisors (772126423217).

12201220031023 is a wasteful number, since it uses less digits than its factorization.

12201220031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370058.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12201220031023 its reverse (32013002210221), we get a palindrome (44214222241244).

The spelling of 12201220031023 in words is "twelve trillion, two hundred one billion, two hundred twenty million, thirty-one thousand, twenty-three".