198469507552212 has 192 divisors, whose sum is σ = 530094842484480. Its totient is φ = 57253372452864.

The previous prime is 198469507552109. The next prime is 198469507552237. The reversal of 198469507552212 is 212255705964891.

It is a super-2 number, since 2×198469507552212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3099262258 + ... + 3099326294.

It is an arithmetic number, because the mean of its divisors is an integer number (2760910637940).

Almost surely, 2^{198469507552212} is an apocalyptic number.

198469507552212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198469507552212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265047421242240).

198469507552212 is an abundant number, since it is smaller than the sum of its proper divisors (331625334932268).

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

198469507552212 is a wasteful number, since it uses less digits than its factorization.

198469507552212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68570 (or 68568 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 66.

The spelling of 198469507552212 in words is "one hundred ninety-eight trillion, four hundred sixty-nine billion, five hundred seven million, five hundred fifty-two thousand, two hundred twelve".