12142024021 has 2 divisors, whose sum is σ = 12142024022. Its totient is φ = 12142024020.

The previous prime is 12142023997. The next prime is 12142024061. The reversal of 12142024021 is 12042024121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11166148900 + 975875121 = 105670^2 + 31239^2 .

It is a cyclic number.

It is not a de Polignac number, because 12142024021 - 2⁵ = 12142023989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12142024021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12142024061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071012010 + 6071012011.

It is an arithmetic number, because the mean of its divisors is an integer number (6071012011).

Almost surely, 2^12142024021 is an apocalyptic number.

It is an amenable number.

12142024021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12142024021 is an equidigital number, since it uses as much as digits as its factorization.

12142024021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12142024021 its reverse (12042024121), we get a palindrome (24184048142).

The spelling of 12142024021 in words is "twelve billion, one hundred forty-two million, twenty-four thousand, twenty-one".