12147764306774 has 32 divisors (see below), whose sum is σ = 19352423162880. Its totient is φ = 5702691883392.

The previous prime is 12147764306773. The next prime is 12147764306791. The reversal of 12147764306774 is 47760346774121.

It is a happy number.

12147764306774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12147764306771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42828707 + ... + 43111409.

It is an arithmetic number, because the mean of its divisors is an integer number (604763223840).

Almost surely, 2^{12147764306774} is an apocalyptic number.

12147764306774 is a deficient number, since it is larger than the sum of its proper divisors (7204658856106).

12147764306774 is a wasteful number, since it uses less digits than its factorization.

12147764306774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292844.

The product of its (nonzero) digits is 33191424, while the sum is 59.

The spelling of 12147764306774 in words is "twelve trillion, one hundred forty-seven billion, seven hundred sixty-four million, three hundred six thousand, seven hundred seventy-four".