124912868219421 has 16 divisors (see below), whose sum is σ = 176347909459584. Its totient is φ = 78376554607104.

The previous prime is 124912868219369. The next prime is 124912868219429.

124912868219421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124912868219421 - 2²¹ = 124912866122269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124912868219429) 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, 29405016 + ... + 33383838.

It is an arithmetic number, because the mean of its divisors is an integer number (11021744341224).

Almost surely, 2^{124912868219421} is an apocalyptic number.

It is an amenable number.

124912868219421 is a deficient number, since it is larger than the sum of its proper divisors (51435041240163).

124912868219421 is a wasteful number, since it uses less digits than its factorization.

124912868219421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594420.

The product of its digits is 7962624, while the sum is 60.

The spelling of 124912868219421 in words is "one hundred twenty-four trillion, nine hundred twelve billion, eight hundred sixty-eight million, two hundred nineteen thousand, four hundred twenty-one".