212424423144123 has 16 divisors (see below), whose sum is σ = 284422420254240. Its totient is φ = 141022448692224.

The previous prime is 212424423144113. The next prime is 212424423144133. The reversal of 212424423144123 is 321441324424212.

212424423144123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212424423144113) and next prime (212424423144133).

It is not a de Polignac number, because 212424423144123 - 2¹⁴ = 212424423127739 is a prime.

It is a super-2 number, since 2×212424423144123² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212424423144113) 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, 136051608 + ... + 137604101.

It is an arithmetic number, because the mean of its divisors is an integer number (17776401265890).

Almost surely, 2^{212424423144123} is an apocalyptic number.

212424423144123 is a deficient number, since it is larger than the sum of its proper divisors (71997997110117).

212424423144123 is a wasteful number, since it uses less digits than its factorization.

212424423144123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273656798.

The product of its digits is 294912, while the sum is 39.

Adding to 212424423144123 its reverse (321441324424212), we get a palindrome (533865747568335).

The spelling of 212424423144123 in words is "two hundred twelve trillion, four hundred twenty-four billion, four hundred twenty-three million, one hundred forty-four thousand, one hundred twenty-three".