12142400302 has 4 divisors (see below), whose sum is σ = 18213600456. Its totient is φ = 6071200150.

The previous prime is 12142400299. The next prime is 12142400341. The reversal of 12142400302 is 20300424121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20300424121 = 31 ⋅654852391.

It is a self number, because there is not a number n which added to its sum of digits gives 12142400302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3035600074 + ... + 3035600077.

It is an arithmetic number, because the mean of its divisors is an integer number (4553400114).

Almost surely, 2^12142400302 is an apocalyptic number.

12142400302 is a deficient number, since it is larger than the sum of its proper divisors (6071200154).

12142400302 is an equidigital number, since it uses as much as digits as its factorization.

12142400302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071200153.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12142400302 its reverse (20300424121), we get a palindrome (32442824423).

The spelling of 12142400302 in words is "twelve billion, one hundred forty-two million, four hundred thousand, three hundred two".