12151012 has 6 divisors (see below), whose sum is σ = 21264278. Its totient is φ = 6075504.

The previous prime is 12150989. The next prime is 12151019. The reversal of 12151012 is 21015121.

12151012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11655396 + 495616 = 3414^2 + 704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12150983 and 12151001.

It is not an unprimeable number, because it can be changed into a prime (12151019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1518873 + ... + 1518880.

Almost surely, 2^12151012 is an apocalyptic number.

It is an amenable number.

12151012 is a deficient number, since it is larger than the sum of its proper divisors (9113266).

12151012 is a wasteful number, since it uses less digits than its factorization.

12151012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037757 (or 3037755 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 12151012 is about 3485.8301737176. The cubic root of 12151012 is about 229.8992122993.

Adding to 12151012 its reverse (21015121), we get a palindrome (33166133).

The spelling of 12151012 in words is "twelve million, one hundred fifty-one thousand, twelve".