199151412 has 12 divisors (see below), whose sum is σ = 464686656. Its totient is φ = 66383800.

The previous prime is 199151389. The next prime is 199151423. The reversal of 199151412 is 214151991.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×199151412² = 79322569803187488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8297964 + ... + 8297987.

It is an arithmetic number, because the mean of its divisors is an integer number (38723888).

Almost surely, 2^199151412 is an apocalyptic number.

199151412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199151412 is an abundant number, since it is smaller than the sum of its proper divisors (265535244).

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

199151412 is a wasteful number, since it uses less digits than its factorization.

199151412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16595958 (or 16595956 counting only the distinct ones).

The product of its digits is 3240, while the sum is 33.

The square root of 199151412 is about 14112.1016152804. The cubic root of 199151412 is about 583.9752796504.

The spelling of 199151412 in words is "one hundred ninety-nine million, one hundred fifty-one thousand, four hundred twelve".