20222002012123 has 4 divisors (see below), whose sum is σ = 20692281128728. Its totient is φ = 19751722895520.

The previous prime is 20222002012117. The next prime is 20222002012129. The reversal of 20222002012123 is 32121020022202.

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

It is an interprime number because it is at equal distance from previous prime (20222002012117) and next prime (20222002012129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20222002012123 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 20222002012123.

It is not an unprimeable number, because it can be changed into a prime (20222002012129) 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, 235139558238 + ... + 235139558323.

It is an arithmetic number, because the mean of its divisors is an integer number (5173070282182).

Almost surely, 2^{20222002012123} is an apocalyptic number.

20222002012123 is a deficient number, since it is larger than the sum of its proper divisors (470279116605).

20222002012123 is an equidigital number, since it uses as much as digits as its factorization.

20222002012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470279116604.

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

Adding to 20222002012123 its reverse (32121020022202), we get a palindrome (52343022034325).

The spelling of 20222002012123 in words is "twenty trillion, two hundred twenty-two billion, two million, twelve thousand, one hundred twenty-three".