2311120012 has 12 divisors (see below), whose sum is σ = 4282369560. Its totient is φ = 1087585856.

The previous prime is 2311120003. The next prime is 2311120013. The reversal of 2311120012 is 2100211132.

It is a junction number, because it is equal to n+sod(n) for n = 2311119974 and 2311120001.

It is not an unprimeable number, because it can be changed into a prime (2311120013) 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, 16993462 + ... + 16993597.

It is an arithmetic number, because the mean of its divisors is an integer number (356864130).

Almost surely, 2^2311120012 is an apocalyptic number.

It is an amenable number.

2311120012 is a deficient number, since it is larger than the sum of its proper divisors (1971249548).

2311120012 is a wasteful number, since it uses less digits than its factorization.

2311120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33987080 (or 33987078 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2311120012 is about 48074.1095809376. The cubic root of 2311120012 is about 1322.1300191096.

Adding to 2311120012 its reverse (2100211132), we get a palindrome (4411331144).

The spelling of 2311120012 in words is "two billion, three hundred eleven million, one hundred twenty thousand, twelve".