7212163 has 12 divisors (see below), whose sum is σ = 8477040. Its totient is φ = 6117552.

The previous prime is 7212157. The next prime is 7212169. The reversal of 7212163 is 3612127.

It is an interprime number because it is at equal distance from previous prime (7212157) and next prime (7212169).

It is not a de Polignac number, because 7212163 - 2⁹ = 7211651 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

7212163 is a modest number, since divided by 2163 gives 721 as remainder.

It is not an unprimeable number, because it can be changed into a prime (7212169) 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, 4333 + ... + 5761.

It is an arithmetic number, because the mean of its divisors is an integer number (706420).

Almost surely, 2^7212163 is an apocalyptic number.

7212163 is a deficient number, since it is larger than the sum of its proper divisors (1264877).

7212163 is a wasteful number, since it uses less digits than its factorization.

7212163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1539 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 7212163 is about 2685.5470578636. The cubic root of 7212163 is about 193.2065495224.

The spelling of 7212163 in words is "seven million, two hundred twelve thousand, one hundred sixty-three".