12020131034551 has 4 divisors (see below), whose sum is σ = 12020343419704. Its totient is φ = 12019918649400.

The previous prime is 12020131034539. The next prime is 12020131034603. The reversal of 12020131034551 is 15543013102021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020131034551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020131034651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106107660 + ... + 106220881.

It is an arithmetic number, because the mean of its divisors is an integer number (3005085854926).

Almost surely, 2^{12020131034551} is an apocalyptic number.

12020131034551 is a deficient number, since it is larger than the sum of its proper divisors (212385153).

12020131034551 is an equidigital number, since it uses as much as digits as its factorization.

12020131034551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212385152.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 12020131034551 its reverse (15543013102021), we get a palindrome (27563144136572).

The spelling of 12020131034551 in words is "twelve trillion, twenty billion, one hundred thirty-one million, thirty-four thousand, five hundred fifty-one".