2021231212302 has 8 divisors (see below), whose sum is σ = 4042462424616. Its totient is φ = 673743737432.

The previous prime is 2021231212289. The next prime is 2021231212361. The reversal of 2021231212302 is 2032121321202.

It is a sphenic number, since it is the product of 3 distinct primes.

2021231212302 is an admirable number.

It is a super-2 number, since 2×2021231212302² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168435934353 + ... + 168435934364.

It is an arithmetic number, because the mean of its divisors is an integer number (505307803077).

Almost surely, 2^{2021231212302} is an apocalyptic number.

2021231212302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2021231212302 is a wasteful number, since it uses less digits than its factorization.

2021231212302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336871868722.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2021231212302 its reverse (2032121321202), we get a palindrome (4053352533504).

The spelling of 2021231212302 in words is "two trillion, twenty-one billion, two hundred thirty-one million, two hundred twelve thousand, three hundred two".