12020554037 has 2 divisors, whose sum is σ = 12020554038. Its totient is φ = 12020554036.

The previous prime is 12020554031. The next prime is 12020554061. The reversal of 12020554037 is 73045502021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12014132881 + 6421156 = 109609^2 + 2534^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020554037 - 2¹⁴ = 12020537653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020554031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010277018 + 6010277019.

It is an arithmetic number, because the mean of its divisors is an integer number (6010277019).

Almost surely, 2^12020554037 is an apocalyptic number.

It is an amenable number.

12020554037 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020554037 is an equidigital number, since it uses as much as digits as its factorization.

12020554037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 12020554037 in words is "twelve billion, twenty million, five hundred fifty-four thousand, thirty-seven".