10212020198 has 4 divisors (see below), whose sum is σ = 15318030300. Its totient is φ = 5106010098.

The previous prime is 10212020197. The next prime is 10212020219. The reversal of 10212020198 is 89102021201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212020197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553005048 + ... + 2553005051.

It is an arithmetic number, because the mean of its divisors is an integer number (3829507575).

Almost surely, 2^10212020198 is an apocalyptic number.

10212020198 is a deficient number, since it is larger than the sum of its proper divisors (5106010102).

10212020198 is an equidigital number, since it uses as much as digits as its factorization.

10212020198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106010101.

The product of its (nonzero) digits is 576, while the sum is 26.

Adding to 10212020198 its reverse (89102021201), we get a palindrome (99314041399).

The spelling of 10212020198 in words is "ten billion, two hundred twelve million, twenty thousand, one hundred ninety-eight".