12121012020067 has 2 divisors, whose sum is σ = 12121012020068. Its totient is φ = 12121012020066.

The previous prime is 12121012019981. The next prime is 12121012020217. The reversal of 12121012020067 is 76002021012121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12121012020067 - 2¹¹ = 12121012018019 is a prime.

It is not a weakly prime, because it can be changed into another prime (12121019020067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060506010033 + 6060506010034.

It is an arithmetic number, because the mean of its divisors is an integer number (6060506010034).

Almost surely, 2^{12121012020067} is an apocalyptic number.

12121012020067 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121012020067 is an equidigital number, since it uses as much as digits as its factorization.

12121012020067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 12121012020067 its reverse (76002021012121), we get a palindrome (88123033032188).

The spelling of 12121012020067 in words is "twelve trillion, one hundred twenty-one billion, twelve million, twenty thousand, sixty-seven".