151231012 has 12 divisors (see below), whose sum is σ = 266587020. Its totient is φ = 75063296.

The previous prime is 151230979. The next prime is 151231021. The reversal of 151231012 is 210132151.

It can be written as a sum of positive squares in 2 ways, for example, as 54523456 + 96707556 = 7384^2 + 9834^2 .

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, 137437 + ... + 138532.

It is an arithmetic number, because the mean of its divisors is an integer number (22215585).

Almost surely, 2^151231012 is an apocalyptic number.

It is an amenable number.

151231012 is a deficient number, since it is larger than the sum of its proper divisors (115356008).

151231012 is a wasteful number, since it uses less digits than its factorization.

151231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276110 (or 276108 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 151231012 is about 12297.6018800415. The cubic root of 151231012 is about 532.7788214114.

Adding to 151231012 its reverse (210132151), we get a palindrome (361363163).

The spelling of 151231012 in words is "one hundred fifty-one million, two hundred thirty-one thousand, twelve".