212143332021140 has 192 divisors, whose sum is σ = 485333769005568. Its totient is φ = 77427962726400.

The previous prime is 212143332021139. The next prime is 212143332021157. The reversal of 212143332021140 is 41120233341212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5705673350 + ... + 5705710530.

It is an arithmetic number, because the mean of its divisors is an integer number (2527780046904).

Almost surely, 2^{212143332021140} is an apocalyptic number.

212143332021140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212143332021140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242666884502784).

212143332021140 is an abundant number, since it is smaller than the sum of its proper divisors (273190436984428).

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

212143332021140 is a wasteful number, since it uses less digits than its factorization.

212143332021140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38098 (or 38096 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 212143332021140 its reverse (41120233341212), we get a palindrome (253263565362352).

The spelling of 212143332021140 in words is "two hundred twelve trillion, one hundred forty-three billion, three hundred thirty-two million, twenty-one thousand, one hundred forty".