12202012423 has 4 divisors (see below), whose sum is σ = 12295157688. Its totient is φ = 12108867160.

The previous prime is 12202012411. The next prime is 12202012457. The reversal of 12202012423 is 32421020221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32421020221 = 1201 ⋅26995021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12202012423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12202012423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202012223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46572436 + ... + 46572697.

It is an arithmetic number, because the mean of its divisors is an integer number (3073789422).

Almost surely, 2^12202012423 is an apocalyptic number.

12202012423 is a deficient number, since it is larger than the sum of its proper divisors (93145265).

12202012423 is an equidigital number, since it uses as much as digits as its factorization.

12202012423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93145264.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12202012423 its reverse (32421020221), we get a palindrome (44623032644).

The spelling of 12202012423 in words is "twelve billion, two hundred two million, twelve thousand, four hundred twenty-three".