124211402213 has 2 divisors, whose sum is σ = 124211402214. Its totient is φ = 124211402212.

The previous prime is 124211402101. The next prime is 124211402269. The reversal of 124211402213 is 312204112421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120448561249 + 3762840964 = 347057^2 + 61342^2 .

It is a cyclic number.

It is not a de Polignac number, because 124211402213 - 2²² = 124207207909 is a prime.

It is a super-2 number, since 2×124211402213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124211402713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62105701106 + 62105701107.

It is an arithmetic number, because the mean of its divisors is an integer number (62105701107).

Almost surely, 2^124211402213 is an apocalyptic number.

It is an amenable number.

124211402213 is a deficient number, since it is larger than the sum of its proper divisors (1).

124211402213 is an equidigital number, since it uses as much as digits as its factorization.

124211402213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 124211402213 its reverse (312204112421), we get a palindrome (436415514634).

The spelling of 124211402213 in words is "one hundred twenty-four billion, two hundred eleven million, four hundred two thousand, two hundred thirteen".