17212954099 has 12 divisors (see below), whose sum is σ = 18967734352. Its totient is φ = 15608680560.

The previous prime is 17212954093. The next prime is 17212954117. The reversal of 17212954099 is 99045921271.

It is not a de Polignac number, because 17212954099 - 2³ = 17212954091 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17212954091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131127 + ... + 227200.

Almost surely, 2^17212954099 is an apocalyptic number.

17212954099 is a deficient number, since it is larger than the sum of its proper divisors (1754780253).

17212954099 is a wasteful number, since it uses less digits than its factorization.

17212954099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358746 (or 358735 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 17212954099 in words is "seventeen billion, two hundred twelve million, nine hundred fifty-four thousand, ninety-nine".