12015266345061 has 16 divisors (see below), whose sum is σ = 18387556596864. Its totient is φ = 6836399241984.

The previous prime is 12015266345039. The next prime is 12015266345101. The reversal of 12015266345061 is 16054366251021.

It is not a de Polignac number, because 12015266345061 - 2¹¹ = 12015266343013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12015266345011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227796696 + ... + 1227806481.

It is an arithmetic number, because the mean of its divisors is an integer number (1149222287304).

Almost surely, 2^{12015266345061} is an apocalyptic number.

It is an amenable number.

12015266345061 is a deficient number, since it is larger than the sum of its proper divisors (6372290251803).

12015266345061 is a wasteful number, since it uses less digits than its factorization.

12015266345061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455603420.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 12015266345061 in words is "twelve trillion, fifteen billion, two hundred sixty-six million, three hundred forty-five thousand, sixty-one".