1213018117469 has 8 divisors (see below), whose sum is σ = 1216392600000. Its totient is φ = 1209647410272.

The previous prime is 1213018117457. The next prime is 1213018117537. The reversal of 1213018117469 is 9647118103121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213018117469 is a prime.

It is a super-2 number, since 2×1213018117469² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213018117439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299729 + ... + 1586150.

It is an arithmetic number, because the mean of its divisors is an integer number (152049075000).

Almost surely, 2^{1213018117469} is an apocalyptic number.

It is an amenable number.

1213018117469 is a deficient number, since it is larger than the sum of its proper divisors (3374482531).

1213018117469 is a wasteful number, since it uses less digits than its factorization.

1213018117469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887667.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 1213018117469 in words is "one trillion, two hundred thirteen billion, eighteen million, one hundred seventeen thousand, four hundred sixty-nine".