1213200998 has 16 divisors (see below), whose sum is σ = 1846709280. Its totient is φ = 597643200.

The previous prime is 1213200997. The next prime is 1213201007. The reversal of 1213200998 is 8990023121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213200997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356288 + ... + 359676.

It is an arithmetic number, because the mean of its divisors is an integer number (115419330).

Almost surely, 2^1213200998 is an apocalyptic number.

1213200998 is a deficient number, since it is larger than the sum of its proper divisors (633508282).

1213200998 is a wasteful number, since it uses less digits than its factorization.

1213200998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1213200998 is about 34831.0349831870. The cubic root of 1213200998 is about 1066.5410762074.

The spelling of 1213200998 in words is "one billion, two hundred thirteen million, two hundred thousand, nine hundred ninety-eight".