12142031 has 8 divisors (see below), whose sum is σ = 13604304. Its totient is φ = 10739520.

The previous prime is 12142019. The next prime is 12142037. The reversal of 12142031 is 13024121.

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

It is not a de Polignac number, because 12142031 - 2⁶ = 12141967 is a prime.

It is a super-2 number, since 2×12142031² = 294857833609922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12141997 and 12142015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142037) 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, 14510 + ... + 15323.

It is an arithmetic number, because the mean of its divisors is an integer number (1700538).

Almost surely, 2^12142031 is an apocalyptic number.

12142031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12142031 is a deficient number, since it is larger than the sum of its proper divisors (1462273).

12142031 is a wasteful number, since it uses less digits than its factorization.

12142031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29881.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12142031 is about 3484.5417202266. The cubic root of 12142031 is about 229.8425576567.

Adding to 12142031 its reverse (13024121), we get a palindrome (25166152).

The spelling of 12142031 in words is "twelve million, one hundred forty-two thousand, thirty-one".