199162234212 has 24 divisors (see below), whose sum is σ = 473480030016. Its totient is φ = 65134818528.

The previous prime is 199162234177. The next prime is 199162234217. The reversal of 199162234212 is 212432261991.

It is not an unprimeable number, because it can be changed into a prime (199162234217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156573448 + ... + 156574719.

It is an arithmetic number, because the mean of its divisors is an integer number (19728334584).

Almost surely, 2^199162234212 is an apocalyptic number.

199162234212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199162234212 is an abundant number, since it is smaller than the sum of its proper divisors (274317795804).

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

199162234212 is a wasteful number, since it uses less digits than its factorization.

199162234212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313148227 (or 313148225 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The spelling of 199162234212 in words is "one hundred ninety-nine billion, one hundred sixty-two million, two hundred thirty-four thousand, two hundred twelve".