124212220051 has 2 divisors, whose sum is σ = 124212220052. Its totient is φ = 124212220050.

The previous prime is 124212220049. The next prime is 124212220183. The reversal of 124212220051 is 150022212421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124212220051 - 2¹ = 124212220049 is a prime.

Together with 124212220049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (124212220001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62106110025 + 62106110026.

It is an arithmetic number, because the mean of its divisors is an integer number (62106110026).

Almost surely, 2^124212220051 is an apocalyptic number.

124212220051 is a deficient number, since it is larger than the sum of its proper divisors (1).

124212220051 is an equidigital number, since it uses as much as digits as its factorization.

124212220051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 124212220051 its reverse (150022212421), we get a palindrome (274234432472).

The spelling of 124212220051 in words is "one hundred twenty-four billion, two hundred twelve million, two hundred twenty thousand, fifty-one".