120012141 has 4 divisors (see below), whose sum is σ = 160016192. Its totient is φ = 80008092.

The previous prime is 120012131. The next prime is 120012143. The reversal of 120012141 is 141210021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141210021 = 3 ⋅47070007.

It is not a de Polignac number, because 120012141 - 2²¹ = 117914989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20002021 + ... + 20002026.

It is an arithmetic number, because the mean of its divisors is an integer number (40004048).

Almost surely, 2^120012141 is an apocalyptic number.

It is an amenable number.

120012141 is a deficient number, since it is larger than the sum of its proper divisors (40004051).

120012141 is an equidigital number, since it uses as much as digits as its factorization.

120012141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40004050.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 120012141 is about 10955.0052943848. The cubic root of 120012141 is about 493.2590489056.

Adding to 120012141 its reverse (141210021), we get a palindrome (261222162).

The spelling of 120012141 in words is "one hundred twenty million, twelve thousand, one hundred forty-one".