7012034021 has 4 divisors (see below), whose sum is σ = 7201548492. Its totient is φ = 6822519552.

The previous prime is 7012033993. The next prime is 7012034023. The reversal of 7012034021 is 1204302107.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6381772996 + 630261025 = 79886^2 + 25105^2 .

It is a cyclic number.

It is not a de Polignac number, because 7012034021 - 2¹⁰ = 7012032997 is a prime.

It is a super-2 number, since 2×7012034021² = 98337242223322856882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7012033984 and 7012034002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7012034023) 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, 94757180 + ... + 94757253.

It is an arithmetic number, because the mean of its divisors is an integer number (1800387123).

Almost surely, 2^7012034021 is an apocalyptic number.

It is an amenable number.

7012034021 is a deficient number, since it is larger than the sum of its proper divisors (189514471).

7012034021 is a wasteful number, since it uses less digits than its factorization.

7012034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189514470.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 7012034021 is about 83737.8888019038. Note that the first 4 decimals coincide. The cubic root of 7012034021 is about 1914.0267577669.

Adding to 7012034021 its reverse (1204302107), we get a palindrome (8216336128).

The spelling of 7012034021 in words is "seven billion, twelve million, thirty-four thousand, twenty-one".