212143142001 has 32 divisors (see below), whose sum is σ = 346127281920. Its totient is φ = 112811821056.

The previous prime is 212143141999. The next prime is 212143142023. The reversal of 212143142001 is 100241341212.

It is not a de Polignac number, because 212143142001 - 2¹ = 212143141999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (212143142801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3306646 + ... + 3370191.

It is an arithmetic number, because the mean of its divisors is an integer number (10816477560).

Almost surely, 2^212143142001 is an apocalyptic number.

212143142001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212143142001 is a deficient number, since it is larger than the sum of its proper divisors (133984139919).

212143142001 is a wasteful number, since it uses less digits than its factorization.

212143142001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676953.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 212143142001 its reverse (100241341212), we get a palindrome (312384483213).

The spelling of 212143142001 in words is "two hundred twelve billion, one hundred forty-three million, one hundred forty-two thousand, one".