212142302240135 has 16 divisors (see below), whose sum is σ = 255093027840000. Its totient is φ = 169365865899936.

The previous prime is 212142302240119. The next prime is 212142302240137. The reversal of 212142302240135 is 531042203241212.

It is a cyclic number.

It is not a de Polignac number, because 212142302240135 - 2⁴ = 212142302240119 is a prime.

It is a super-3 number, since 3×212142302240135³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212142302240137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4103135 + ... + 21002864.

It is an arithmetic number, because the mean of its divisors is an integer number (15943314240000).

Almost surely, 2^{212142302240135} is an apocalyptic number.

212142302240135 is a deficient number, since it is larger than the sum of its proper divisors (42950725599865).

212142302240135 is a wasteful number, since it uses less digits than its factorization.

212142302240135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25109470.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 212142302240135 its reverse (531042203241212), we get a palindrome (743184505481347).

The spelling of 212142302240135 in words is "two hundred twelve trillion, one hundred forty-two billion, three hundred two million, two hundred forty thousand, one hundred thirty-five".