12312020212011 has 40 divisors (see below), whose sum is σ = 19807401708864. Its totient is φ = 7576398322560.

The previous prime is 12312020212001. The next prime is 12312020212043. The reversal of 12312020212011 is 11021202021321.

It is not a de Polignac number, because 12312020212011 - 2¹⁷ = 12312020080939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12312020212001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38641231 + ... + 38958551.

Almost surely, 2^{12312020212011} is an apocalyptic number.

12312020212011 is a deficient number, since it is larger than the sum of its proper divisors (7495381496853).

12312020212011 is a wasteful number, since it uses less digits than its factorization.

12312020212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354193 (or 354184 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12312020212011 its reverse (11021202021321), we get a palindrome (23333222233332).

The spelling of 12312020212011 in words is "twelve trillion, three hundred twelve billion, twenty million, two hundred twelve thousand, eleven".