212663143 has 16 divisors (see below), whose sum is σ = 279095040. Its totient is φ = 156988800.

The previous prime is 212663137. The next prime is 212663147. The reversal of 212663143 is 341366212.

It is a cyclic number.

It is not a de Polignac number, because 212663143 - 2⁵ = 212663111 is a prime.

It is a super-2 number, since 2×212663143² = 90451224781276898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212663147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71218 + ... + 74143.

It is an arithmetic number, because the mean of its divisors is an integer number (17443440).

Almost surely, 2^212663143 is an apocalyptic number.

212663143 is a deficient number, since it is larger than the sum of its proper divisors (66431897).

212663143 is a wasteful number, since it uses less digits than its factorization.

212663143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145398.

The product of its digits is 5184, while the sum is 28.

The square root of 212663143 is about 14582.9744222501. The cubic root of 212663143 is about 596.8942693924.

The spelling of 212663143 in words is "two hundred twelve million, six hundred sixty-three thousand, one hundred forty-three".