151212416 has 32 divisors (see below), whose sum is σ = 318968280. Its totient is φ = 71157760.

The previous prime is 151212403. The next prime is 151212421. The reversal of 151212416 is 614212151.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 151212391 and 151212400.

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, 32570 + ... + 36921.

Almost surely, 2^151212416 is an apocalyptic number.

151212416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

151212416 is an abundant number, since it is smaller than the sum of its proper divisors (167755864).

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

151212416 is an equidigital number, since it uses as much as digits as its factorization.

151212416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69522 (or 69510 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 151212416 is about 12296.8457744252. The cubic root of 151212416 is about 532.7569829428.

Adding to 151212416 its reverse (614212151), we get a palindrome (765424567).

The spelling of 151212416 in words is "one hundred fifty-one million, two hundred twelve thousand, four hundred sixteen".