1520304212 has 24 divisors (see below), whose sum is σ = 3092147520. Its totient is φ = 640514880.

The previous prime is 1520304199. The next prime is 1520304221. The reversal of 1520304212 is 2124030251.

It is a super-2 number, since 2×1520304212² = 4622649794049881888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458489 + ... + 461792.

It is an arithmetic number, because the mean of its divisors is an integer number (128839480).

Almost surely, 2^1520304212 is an apocalyptic number.

It is an amenable number.

1520304212 is an abundant number, since it is smaller than the sum of its proper divisors (1571843308).

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

1520304212 is a wasteful number, since it uses less digits than its factorization.

1520304212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920351 (or 920349 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1520304212 is about 38991.0786206281. The cubic root of 1520304212 is about 1149.8561160880.

Adding to 1520304212 its reverse (2124030251), we get a palindrome (3644334463).

The spelling of 1520304212 in words is "one billion, five hundred twenty million, three hundred four thousand, two hundred twelve".