12142370 has 8 divisors (see below), whose sum is σ = 21856284. Its totient is φ = 4856944.

The previous prime is 12142357. The next prime is 12142381. The reversal of 12142370 is 7324121.

It can be written as a sum of positive squares in 2 ways, for example, as 10106041 + 2036329 = 3179^2 + 1427^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607109 + ... + 607128.

Almost surely, 2^12142370 is an apocalyptic number.

12142370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12142370 is a deficient number, since it is larger than the sum of its proper divisors (9713914).

12142370 is a wasteful number, since it uses less digits than its factorization.

12142370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214244.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12142370 is about 3484.5903632995. The cubic root of 12142370 is about 229.8446966701.

Adding to 12142370 its reverse (7324121), we get a palindrome (19466491).

The spelling of 12142370 in words is "twelve million, one hundred forty-two thousand, three hundred seventy".