212335442101340 has 24 divisors (see below), whose sum is σ = 445915756924512. Its totient is φ = 84932019028800.

The previous prime is 212335442101297. The next prime is 212335442101357. The reversal of 212335442101340 is 43101244533212.

It is a super-2 number, since 2×212335442101340² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212335442101340.

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, 134056211 + ... + 135630890.

It is an arithmetic number, because the mean of its divisors is an integer number (18579823205188).

Almost surely, 2^{212335442101340} is an apocalyptic number.

212335442101340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212335442101340 is an abundant number, since it is smaller than the sum of its proper divisors (233580314823172).

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

212335442101340 is a wasteful number, since it uses less digits than its factorization.

212335442101340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269726477 (or 269726475 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 212335442101340 its reverse (43101244533212), we get a palindrome (255436686634552).

The spelling of 212335442101340 in words is "two hundred twelve trillion, three hundred thirty-five billion, four hundred forty-two million, one hundred one thousand, three hundred forty".