212143401201020 has 24 divisors (see below), whose sum is σ = 471707092083024. Its totient is φ = 79865751040256.

The previous prime is 212143401201007. The next prime is 212143401201031. The reversal of 212143401201020 is 20102104341212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311975589662 + ... + 311975590341.

It is an arithmetic number, because the mean of its divisors is an integer number (19654462170126).

Almost surely, 2^{212143401201020} is an apocalyptic number.

212143401201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212143401201020 is an abundant number, since it is smaller than the sum of its proper divisors (259563690882004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212143401201020 is a wasteful number, since it uses less digits than its factorization.

212143401201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623951180029 (or 623951180027 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 212143401201020 its reverse (20102104341212), we get a palindrome (232245505542232).

The spelling of 212143401201020 in words is "two hundred twelve trillion, one hundred forty-three billion, four hundred one million, two hundred one thousand, twenty".