12141420123 has 16 divisors (see below), whose sum is σ = 18508167936. Its totient is φ = 6935345760.

The previous prime is 12141420121. The next prime is 12141420133. The reversal of 12141420123 is 32102414121.

It is not a de Polignac number, because 12141420123 - 2¹ = 12141420121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12141420123.

It is not an unprimeable number, because it can be changed into a prime (12141420121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50793 + ... + 163898.

It is an arithmetic number, because the mean of its divisors is an integer number (1156760496).

Almost surely, 2^12141420123 is an apocalyptic number.

12141420123 is a deficient number, since it is larger than the sum of its proper divisors (6366747813).

12141420123 is a wasteful number, since it uses less digits than its factorization.

12141420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217394.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12141420123 its reverse (32102414121), we get a palindrome (44243834244).

The spelling of 12141420123 in words is "twelve billion, one hundred forty-one million, four hundred twenty thousand, one hundred twenty-three".