151212413 has 4 divisors (see below), whose sum is σ = 164959008. Its totient is φ = 137465820.

The previous prime is 151212403. The next prime is 151212421. The reversal of 151212413 is 314212151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151212413 - 2²⁰ = 150163837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151212403) by changing a digit.

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, 6873281 + ... + 6873302.

It is an arithmetic number, because the mean of its divisors is an integer number (41239752).

Almost surely, 2^151212413 is an apocalyptic number.

It is an amenable number.

151212413 is a deficient number, since it is larger than the sum of its proper divisors (13746595).

151212413 is a wasteful number, since it uses less digits than its factorization.

151212413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13746594.

The product of its digits is 240, while the sum is 20.

The square root of 151212413 is about 12296.8456524427. The cubic root of 151212413 is about 532.7569794196.

Adding to 151212413 its reverse (314212151), we get a palindrome (465424564).

The spelling of 151212413 in words is "one hundred fifty-one million, two hundred twelve thousand, four hundred thirteen".