212021231302311 has 16 divisors (see below), whose sum is σ = 292446510180960. Its totient is φ = 136471834396800.

The previous prime is 212021231302291. The next prime is 212021231302313. The reversal of 212021231302311 is 113203132120212.

It is not a de Polignac number, because 212021231302311 - 2⁴³ = 203225138280103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021231302313) 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, 6825040 + ... + 21693861.

It is an arithmetic number, because the mean of its divisors is an integer number (18277906886310).

Almost surely, 2^{212021231302311} is an apocalyptic number.

212021231302311 is a deficient number, since it is larger than the sum of its proper divisors (80425278878649).

212021231302311 is a wasteful number, since it uses less digits than its factorization.

212021231302311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28604386.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 212021231302311 its reverse (113203132120212), we get a palindrome (325224363422523).

The spelling of 212021231302311 in words is "two hundred twelve trillion, twenty-one billion, two hundred thirty-one million, three hundred two thousand, three hundred eleven".