1020012198 has 16 divisors (see below), whose sum is σ = 2050707456. Its totient is φ = 338223560.

The previous prime is 1020012187. The next prime is 1020012269. The reversal of 1020012198 is 8912100201.

1020012198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 443886 + ... + 446177.

It is an arithmetic number, because the mean of its divisors is an integer number (128169216).

Almost surely, 2^1020012198 is an apocalyptic number.

1020012198 is an abundant number, since it is smaller than the sum of its proper divisors (1030695258).

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

1020012198 is a wasteful number, since it uses less digits than its factorization.

1020012198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890259.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 1020012198 is about 31937.6298118693. The cubic root of 1020012198 is about 1006.6267222186.

Adding to 1020012198 its reverse (8912100201), we get a palindrome (9932112399).

The spelling of 1020012198 in words is "one billion, twenty million, twelve thousand, one hundred ninety-eight".