2112030747 has 32 divisors (see below), whose sum is σ = 3315840000. Its totient is φ = 1324913760.

The previous prime is 2112030743. The next prime is 2112030769. The reversal of 2112030747 is 7470302112.

It is a happy number.

It is not a de Polignac number, because 2112030747 - 2² = 2112030743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2112030747.

It is not an unprimeable number, because it can be changed into a prime (2112030743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62622 + ... + 90252.

It is an arithmetic number, because the mean of its divisors is an integer number (103620000).

Almost surely, 2^2112030747 is an apocalyptic number.

2112030747 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2112030747 is a deficient number, since it is larger than the sum of its proper divisors (1203809253).

2112030747 is a wasteful number, since it uses less digits than its factorization.

2112030747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27808 (or 27802 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2112030747 is about 45956.8356939422. The cubic root of 2112030747 is about 1283.0199581081.

Adding to 2112030747 its reverse (7470302112), we get a palindrome (9582332859).

The spelling of 2112030747 in words is "two billion, one hundred twelve million, thirty thousand, seven hundred forty-seven".