12081070 has 16 divisors (see below), whose sum is σ = 21785760. Its totient is φ = 4823584.

The previous prime is 12081061. The next prime is 12081073. The reversal of 12081070 is 7018021.

12081070 is a nontrivial binomial coefficient, being equal to C(4916, 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12081073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9216 + ... + 10444.

It is an arithmetic number, because the mean of its divisors is an integer number (1361610).

Almost surely, 2^12081070 is an apocalyptic number.

12081070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12081070 is the 4915-th triangular number and also the 2458-th hexagonal number.

12081070 is the 1639-th centered nonagonal number.

12081070 is a deficient number, since it is larger than the sum of its proper divisors (9704690).

12081070 is a wasteful number, since it uses less digits than its factorization.

12081070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 12081070 is about 3475.7833649409. The cubic root of 12081070 is about 229.4572583973.

Adding to 12081070 its reverse (7018021), we get a palindrome (19099091).

It can be divided in two parts, 1208 and 1070, that added together give a triangular number (2278 = T₆₇).

The spelling of 12081070 in words is "twelve million, eighty-one thousand, seventy".