151520212 has 12 divisors (see below), whose sum is σ = 279116320. Its totient is φ = 71772696.

The previous prime is 151520209. The next prime is 151520227. The reversal of 151520212 is 212025151.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 151520212.

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, 996768 + ... + 996919.

Almost surely, 2^151520212 is an apocalyptic number.

It is an amenable number.

151520212 is a deficient number, since it is larger than the sum of its proper divisors (127596108).

151520212 is a wasteful number, since it uses less digits than its factorization.

151520212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993710 (or 1993708 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 151520212 is about 12309.3546540832. The cubic root of 151520212 is about 533.1182172392.

Adding to 151520212 its reverse (212025151), we get a palindrome (363545363).

The spelling of 151520212 in words is "one hundred fifty-one million, five hundred twenty thousand, two hundred twelve".