151117212 has 12 divisors (see below), whose sum is σ = 352606856. Its totient is φ = 50372400.

The previous prime is 151117207. The next prime is 151117229. The reversal of 151117212 is 212711151.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6296539 + ... + 6296562.

Almost surely, 2^151117212 is an apocalyptic number.

151117212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151117212 is an abundant number, since it is smaller than the sum of its proper divisors (201489644).

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

151117212 is a wasteful number, since it uses less digits than its factorization.

151117212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12593108 (or 12593106 counting only the distinct ones).

The product of its digits is 140, while the sum is 21.

The square root of 151117212 is about 12292.9740909188. The cubic root of 151117212 is about 532.6451507589.

Adding to 151117212 its reverse (212711151), we get a palindrome (363828363).

The spelling of 151117212 in words is "one hundred fifty-one million, one hundred seventeen thousand, two hundred twelve".