2220012023123 has 4 divisors (see below), whose sum is σ = 2220030420960. Its totient is φ = 2219993625288.

The previous prime is 2220012023107. The next prime is 2220012023149. The reversal of 2220012023123 is 3213202100222.

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 2220012023123 - 2⁴ = 2220012023107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220012023095 and 2220012023104.

It is not an unprimeable number, because it can be changed into a prime (2220012023923) 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, 9016715 + ... + 9259652.

It is an arithmetic number, because the mean of its divisors is an integer number (555007605240).

Almost surely, 2^{2220012023123} is an apocalyptic number.

2220012023123 is a deficient number, since it is larger than the sum of its proper divisors (18397837).

2220012023123 is a wasteful number, since it uses less digits than its factorization.

2220012023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18397836.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2220012023123 its reverse (3213202100222), we get a palindrome (5433214123345).

The spelling of 2220012023123 in words is "two trillion, two hundred twenty billion, twelve million, twenty-three thousand, one hundred twenty-three".