1012111340 has 12 divisors (see below), whose sum is σ = 2125433856. Its totient is φ = 404844528.

The previous prime is 1012111327. The next prime is 1012111367. The reversal of 1012111340 is 431112101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25302764 + ... + 25302803.

It is an arithmetic number, because the mean of its divisors is an integer number (177119488).

Almost surely, 2^1012111340 is an apocalyptic number.

1012111340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012111340 is an abundant number, since it is smaller than the sum of its proper divisors (1113322516).

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

1012111340 is a wasteful number, since it uses less digits than its factorization.

1012111340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50605576 (or 50605574 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1012111340 is about 31813.6973645001. The cubic root of 1012111340 is about 1004.0209238350.

Adding to 1012111340 its reverse (431112101), we get a palindrome (1443223441).

The spelling of 1012111340 in words is "one billion, twelve million, one hundred eleven thousand, three hundred forty".