1012012371 has 12 divisors (see below), whose sum is σ = 1538732520. Its totient is φ = 639165600.

The previous prime is 1012012367. The next prime is 1012012381. The reversal of 1012012371 is 1732102101.

It is a happy number.

It is not a de Polignac number, because 1012012371 - 2² = 1012012367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012012301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2958930 + ... + 2959271.

It is an arithmetic number, because the mean of its divisors is an integer number (128227710).

Almost surely, 2^1012012371 is an apocalyptic number.

1012012371 is a deficient number, since it is larger than the sum of its proper divisors (526720149).

1012012371 is a wasteful number, since it uses less digits than its factorization.

1012012371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918226 (or 5918223 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1012012371 is about 31812.1418801061. The cubic root of 1012012371 is about 1003.9881968078.

Adding to 1012012371 its reverse (1732102101), we get a palindrome (2744114472).

The spelling of 1012012371 in words is "one billion, twelve million, twelve thousand, three hundred seventy-one".