1000012099998 has 64 divisors (see below), whose sum is σ = 2127489960960. Its totient is φ = 312764199552.

The previous prime is 1000012099997. The next prime is 1000012100069. The reversal of 1000012099998 is 8999902100001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000012099997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5230315 + ... + 5418137.

It is an arithmetic number, because the mean of its divisors is an integer number (33242030640).

Almost surely, 2^{1000012099998} is an apocalyptic number.

1000012099998 is an abundant number, since it is smaller than the sum of its proper divisors (1127477860962).

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

1000012099998 is a wasteful number, since it uses less digits than its factorization.

1000012099998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188721.

The product of its (nonzero) digits is 104976, while the sum is 48.

Adding to 1000012099998 its reverse (8999902100001), we get a palindrome (9999914199999).

The spelling of 1000012099998 in words is "one trillion, twelve million, ninety-nine thousand, nine hundred ninety-eight".