12011270387510 has 16 divisors (see below), whose sum is σ = 21620354510736. Its totient is φ = 4804493085408.

The previous prime is 12011270387507. The next prime is 12011270387531. The reversal of 12011270387510 is 1578307211021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1808552 + ... + 5224308.

It is an arithmetic number, because the mean of its divisors is an integer number (1351272156921).

Almost surely, 2^{12011270387510} is an apocalyptic number.

12011270387510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011270387510 is a deficient number, since it is larger than the sum of its proper divisors (9609084123226).

12011270387510 is a wasteful number, since it uses less digits than its factorization.

12011270387510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767407.

The product of its (nonzero) digits is 23520, while the sum is 38.

Adding to 12011270387510 its reverse (1578307211021), we get a palindrome (13589577598531).

The spelling of 12011270387510 in words is "twelve trillion, eleven billion, two hundred seventy million, three hundred eighty-seven thousand, five hundred ten".