212650421010342 has 128 divisors (see below), whose sum is σ = 516695222025216. Its totient is φ = 56956373655552.

The previous prime is 212650421010271. The next prime is 212650421010371. The reversal of 212650421010342 is 243010124056212.

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, 239452933 + ... + 240339359.

It is an arithmetic number, because the mean of its divisors is an integer number (4036681422072).

Almost surely, 2^{212650421010342} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212650421010342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258347611012608).

212650421010342 is an abundant number, since it is smaller than the sum of its proper divisors (304044801014874).

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

212650421010342 is a wasteful number, since it uses less digits than its factorization.

212650421010342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887790.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 212650421010342 its reverse (243010124056212), we get a palindrome (455660545066554).

The spelling of 212650421010342 in words is "two hundred twelve trillion, six hundred fifty billion, four hundred twenty-one million, ten thousand, three hundred forty-two".