7212130463 has 4 divisors (see below), whose sum is σ = 7213879608. Its totient is φ = 7210381320.

The previous prime is 7212130459. The next prime is 7212130477. The reversal of 7212130463 is 3640312127.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3640312127 = 97 ⋅37528991.

It is a cyclic number.

It is not a de Polignac number, because 7212130463 - 2² = 7212130459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7212130433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868373 + ... + 876638.

It is an arithmetic number, because the mean of its divisors is an integer number (1803469902).

Almost surely, 2^7212130463 is an apocalyptic number.

7212130463 is a deficient number, since it is larger than the sum of its proper divisors (1749145).

7212130463 is a wasteful number, since it uses less digits than its factorization.

7212130463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749144.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 7212130463 is about 84924.2630995406. The cubic root of 7212130463 is about 1932.0625897755.

The spelling of 7212130463 in words is "seven billion, two hundred twelve million, one hundred thirty thousand, four hundred sixty-three".