1140223123212 has 24 divisors (see below), whose sum is σ = 2660669580912. Its totient is φ = 380053094400.

The previous prime is 1140223123187. The next prime is 1140223123219. The reversal of 1140223123212 is 2123213220411.

It is not an unprimeable number, because it can be changed into a prime (1140223123219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2435989 + ... + 2866092.

It is an arithmetic number, because the mean of its divisors is an integer number (110861232538).

Almost surely, 2^{1140223123212} is an apocalyptic number.

1140223123212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140223123212 is an abundant number, since it is smaller than the sum of its proper divisors (1520446457700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140223123212 is a wasteful number, since it uses less digits than its factorization.

1140223123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5320009 (or 5320007 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1140223123212 its reverse (2123213220411), we get a palindrome (3263436343623).

The spelling of 1140223123212 in words is "one trillion, one hundred forty billion, two hundred twenty-three million, one hundred twenty-three thousand, two hundred twelve".