12020212141 has 4 divisors (see below), whose sum is σ = 13737385312. Its totient is φ = 10303038972.

The previous prime is 12020212133. The next prime is 12020212147. The reversal of 12020212141 is 14121202021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12020212141 - 2³ = 12020212133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020212147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858586575 + ... + 858586588.

It is an arithmetic number, because the mean of its divisors is an integer number (3434346328).

Almost surely, 2^12020212141 is an apocalyptic number.

It is an amenable number.

12020212141 is a deficient number, since it is larger than the sum of its proper divisors (1717173171).

12020212141 is an equidigital number, since it uses as much as digits as its factorization.

12020212141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717173170.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12020212141 its reverse (14121202021), we get a palindrome (26141414162).

The spelling of 12020212141 in words is "twelve billion, twenty million, two hundred twelve thousand, one hundred forty-one".