12129070 has 8 divisors (see below), whose sum is σ = 21832344. Its totient is φ = 4851624.

The previous prime is 12129067. The next prime is 12129079. The reversal of 12129070 is 7092121.

12129070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12129070² = 294228678129800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12129079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606444 + ... + 606463.

It is an arithmetic number, because the mean of its divisors is an integer number (2729043).

Almost surely, 2^12129070 is an apocalyptic number.

12129070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12129070 is a deficient number, since it is larger than the sum of its proper divisors (9703274).

12129070 is a wasteful number, since it uses less digits than its factorization.

12129070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212914.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 12129070 is about 3482.6814382025. The cubic root of 12129070 is about 229.7607467968.

The spelling of 12129070 in words is "twelve million, one hundred twenty-nine thousand, seventy".