1123330310212 has 36 divisors (see below), whose sum is σ = 2161284387948. Its totient is φ = 510486961600.

The previous prime is 1123330310131. The next prime is 1123330310237. The reversal of 1123330310212 is 2120130333211.

It can be written as a sum of positive squares in 2 ways, for example, as 518581455876 + 604748854336 = 720126^2 + 777656^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1851162 + ... + 2381902.

It is an arithmetic number, because the mean of its divisors is an integer number (60035677443).

Almost surely, 2^{1123330310212} is an apocalyptic number.

It is an amenable number.

1123330310212 is a deficient number, since it is larger than the sum of its proper divisors (1037954077736).

1123330310212 is a wasteful number, since it uses less digits than its factorization.

1123330310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535140 (or 535127 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1123330310212 its reverse (2120130333211), we get a palindrome (3243460643423).

The spelling of 1123330310212 in words is "one trillion, one hundred twenty-three billion, three hundred thirty million, three hundred ten thousand, two hundred twelve".