1125210023122 has 32 divisors (see below), whose sum is σ = 1747871274240. Its totient is φ = 542856479040.

The previous prime is 1125210023101. The next prime is 1125210023129. The reversal of 1125210023122 is 2213200125211.

It is a super-2 number, since 2×1125210023122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1125210023093 and 1125210023102.

It is not an unprimeable number, because it can be changed into a prime (1125210023129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4691443 + ... + 4925449.

It is an arithmetic number, because the mean of its divisors is an integer number (54620977320).

Almost surely, 2^{1125210023122} is an apocalyptic number.

1125210023122 is a deficient number, since it is larger than the sum of its proper divisors (622661251118).

1125210023122 is a wasteful number, since it uses less digits than its factorization.

1125210023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234586.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1125210023122 its reverse (2213200125211), we get a palindrome (3338410148333).

The spelling of 1125210023122 in words is "one trillion, one hundred twenty-five billion, two hundred ten million, twenty-three thousand, one hundred twenty-two".