12151612 has 12 divisors (see below), whose sum is σ = 23198616. Its totient is φ = 5523440.

The previous prime is 12151603. The next prime is 12151637. The reversal of 12151612 is 21615121.

It is a self number, because there is not a number n which added to its sum of digits gives 12151612.

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, 138043 + ... + 138130.

It is an arithmetic number, because the mean of its divisors is an integer number (1933218).

Almost surely, 2^12151612 is an apocalyptic number.

It is an amenable number.

12151612 is a deficient number, since it is larger than the sum of its proper divisors (11047004).

12151612 is a wasteful number, since it uses less digits than its factorization.

12151612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276188 (or 276186 counting only the distinct ones).

The product of its digits is 120, while the sum is 19.

The square root of 12151612 is about 3485.9162353677. The cubic root of 12151612 is about 229.9029962710.

Adding to 12151612 its reverse (21615121), we get a palindrome (33766733).

The spelling of 12151612 in words is "twelve million, one hundred fifty-one thousand, six hundred twelve".