1217837954922 has 16 divisors (see below), whose sum is σ = 2435744226240. Its totient is φ = 405934598912.

The previous prime is 1217837954917. The next prime is 1217837954933. The reversal of 1217837954922 is 2294597387121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2613303 + ... + 3043850.

It is an arithmetic number, because the mean of its divisors is an integer number (152234014140).

Almost surely, 2^{1217837954922} is an apocalyptic number.

1217837954922 is an abundant number, since it is smaller than the sum of its proper divisors (1217906271318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1217837954922 is a wasteful number, since it uses less digits than its factorization.

1217837954922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693037.

The product of its digits is 15240960, while the sum is 60.

The spelling of 1217837954922 in words is "one trillion, two hundred seventeen billion, eight hundred thirty-seven million, nine hundred fifty-four thousand, nine hundred twenty-two".