1208908420998 has 16 divisors (see below), whose sum is σ = 2422781564160. Its totient is φ = 402142019976.

The previous prime is 1208908420957. The next prime is 1208908421011. The reversal of 1208908420998 is 8990248098021.

It is a super-2 number, since 2×1208908420998² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 206860258 + ... + 206866101.

It is an arithmetic number, because the mean of its divisors is an integer number (151423847760).

Almost surely, 2^{1208908420998} is an apocalyptic number.

1208908420998 is an abundant number, since it is smaller than the sum of its proper divisors (1213873143162).

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

1208908420998 is a wasteful number, since it uses less digits than its factorization.

1208908420998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413726851.

The product of its (nonzero) digits is 5971968, while the sum is 60.

The spelling of 1208908420998 in words is "one trillion, two hundred eight billion, nine hundred eight million, four hundred twenty thousand, nine hundred ninety-eight".