1217042466374 has 16 divisors (see below), whose sum is σ = 2087437897248. Its totient is φ = 521319782592.

The previous prime is 1217042466337. The next prime is 1217042466379. The reversal of 1217042466374 is 4736642407121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217042466379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22459127 + ... + 22513250.

It is an arithmetic number, because the mean of its divisors is an integer number (130464868578).

Almost surely, 2^{1217042466374} is an apocalyptic number.

1217042466374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1217042466374 is a deficient number, since it is larger than the sum of its proper divisors (870395430874).

1217042466374 is a wasteful number, since it uses less digits than its factorization.

1217042466374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44974319.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 1217042466374 in words is "one trillion, two hundred seventeen billion, forty-two million, four hundred sixty-six thousand, three hundred seventy-four".