12010212001091 has 2 divisors, whose sum is σ = 12010212001092. Its totient is φ = 12010212001090.

The previous prime is 12010212001057. The next prime is 12010212001103. The reversal of 12010212001091 is 19010021201021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12010212001091 - 2²² = 12010207806787 is a prime.

It is a super-2 number, since 2×12010212001091² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12010212001031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005106000545 + 6005106000546.

It is an arithmetic number, because the mean of its divisors is an integer number (6005106000546).

Almost surely, 2^{12010212001091} is an apocalyptic number.

12010212001091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010212001091 is an equidigital number, since it uses as much as digits as its factorization.

12010212001091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 12010212001091 in words is "twelve trillion, ten billion, two hundred twelve million, one thousand, ninety-one".