151315212 has 54 divisors (see below), whose sum is σ = 365307348. Its totient is φ = 48748128.

The previous prime is 151315211. The next prime is 151315223. The reversal of 151315212 is 212513151.

It is not an unprimeable number, because it can be changed into a prime (151315211) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2258403 + ... + 2258469.

Almost surely, 2^151315212 is an apocalyptic number.

151315212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151315212 is an abundant number, since it is smaller than the sum of its proper divisors (213992136).

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

151315212 is an equidigital number, since it uses as much as digits as its factorization.

151315212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 125 counting only the distinct ones).

The product of its digits is 300, while the sum is 21.

The square root of 151315212 is about 12301.0248353542. The cubic root of 151315212 is about 532.8776804422.

Multiplying 151315212 by its product of digits (300), we get a square (45394563600 = 213060²).

Adding to 151315212 its reverse (212513151), we get a palindrome (363828363).

The spelling of 151315212 in words is "one hundred fifty-one million, three hundred fifteen thousand, two hundred twelve".