212020143 has 16 divisors (see below), whose sum is σ = 296330496. Its totient is φ = 134688960.

The previous prime is 212020139. The next prime is 212020153. The reversal of 212020143 is 341020212.

It is not a de Polignac number, because 212020143 - 2² = 212020139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020103) 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, 14755 + ... + 25332.

It is an arithmetic number, because the mean of its divisors is an integer number (18520656).

Almost surely, 2^212020143 is an apocalyptic number.

212020143 is a deficient number, since it is larger than the sum of its proper divisors (84310353).

212020143 is a wasteful number, since it uses less digits than its factorization.

212020143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40174.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212020143 is about 14560.9114755911. The cubic root of 212020143 is about 596.2920799734.

Adding to 212020143 its reverse (341020212), we get a palindrome (553040355).

The spelling of 212020143 in words is "two hundred twelve million, twenty thousand, one hundred forty-three".