2123303131112 has 32 divisors (see below), whose sum is σ = 4074014102400. Its totient is φ = 1036902217344.

The previous prime is 2123303131073. The next prime is 2123303131133. The reversal of 2123303131112 is 2111313033212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6121964 + ... + 6459492.

It is an arithmetic number, because the mean of its divisors is an integer number (127312940700).

Almost surely, 2^{2123303131112} is an apocalyptic number.

It is an amenable number.

2123303131112 is a deficient number, since it is larger than the sum of its proper divisors (1950710971288).

2123303131112 is a wasteful number, since it uses less digits than its factorization.

2123303131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355865 (or 355861 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2123303131112 its reverse (2111313033212), we get a palindrome (4234616164324).

The spelling of 2123303131112 in words is "two trillion, one hundred twenty-three billion, three hundred three million, one hundred thirty-one thousand, one hundred twelve".