212104143 has 8 divisors (see below), whose sum is σ = 314228400. Its totient is φ = 141402744.

The previous prime is 212104133. The next prime is 212104147. The reversal of 212104143 is 341401212.

It is not a de Polignac number, because 212104143 - 2⁴ = 212104127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212104147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3927828 + ... + 3927881.

It is an arithmetic number, because the mean of its divisors is an integer number (39278550).

Almost surely, 2^212104143 is an apocalyptic number.

212104143 is a deficient number, since it is larger than the sum of its proper divisors (102124257).

212104143 is an equidigital number, since it uses as much as digits as its factorization.

212104143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855718 (or 7855712 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 212104143 is about 14563.7956247676. The cubic root of 212104143 is about 596.3708176516.

Adding to 212104143 its reverse (341401212), we get a palindrome (553505355).

The spelling of 212104143 in words is "two hundred twelve million, one hundred four thousand, one hundred forty-three".