1012222123 has 4 divisors (see below), whose sum is σ = 1104242328. Its totient is φ = 920201920.

The previous prime is 1012222117. The next prime is 1012222129. The reversal of 1012222123 is 3212222101.

It is a happy number.

1012222123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3212222101 = 11 ⋅292020191.

It is an interprime number because it is at equal distance from previous prime (1012222117) and next prime (1012222129).

It is not a de Polignac number, because 1012222123 - 2⁹ = 1012221611 is a prime.

It is a super-4 number, since 4×1012222123⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012222097 and 1012222106.

It is not an unprimeable number, because it can be changed into a prime (1012222129) 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, 46010086 + ... + 46010107.

It is an arithmetic number, because the mean of its divisors is an integer number (276060582).

Almost surely, 2^1012222123 is an apocalyptic number.

1012222123 is a deficient number, since it is larger than the sum of its proper divisors (92020205).

1012222123 is an equidigital number, since it uses as much as digits as its factorization.

1012222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92020204.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1012222123 is about 31815.4384379659. The cubic root of 1012222123 is about 1004.0575549801.

Adding to 1012222123 its reverse (3212222101), we get a palindrome (4224444224).

The spelling of 1012222123 in words is "one billion, twelve million, two hundred twenty-two thousand, one hundred twenty-three".