124211242112421 has 32 divisors (see below), whose sum is σ = 175592074986496. Its totient is φ = 77964135552000.

The previous prime is 124211242112411. The next prime is 124211242112443.

124211242112421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124211242112421 - 2²³ = 124211233723813 is a prime.

It is a super-2 number, since 2×124211242112421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

124211242112421 is a modest number, since divided by 1242112421 gives 12421 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124211242112401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41287581 + ... + 44193741.

It is an arithmetic number, because the mean of its divisors is an integer number (5487252343328).

Almost surely, 2^{124211242112421} is an apocalyptic number.

It is an amenable number.

124211242112421 is a deficient number, since it is larger than the sum of its proper divisors (51380832874075).

124211242112421 is a wasteful number, since it uses less digits than its factorization.

124211242112421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918653.

The product of its digits is 4096, while the sum is 30.

The spelling of 124211242112421 in words is "one hundred twenty-four trillion, two hundred eleven billion, two hundred forty-two million, one hundred twelve thousand, four hundred twenty-one".