124242212 has 6 divisors (see below), whose sum is σ = 217423878. Its totient is φ = 62121104.

The previous prime is 124242211. The next prime is 124242241. The reversal of 124242212 is 212242421.

It can be written as a sum of positive squares in only one way, i.e., 98089216 + 26152996 = 9904^2 + 5114^2 .

It is a super-2 number, since 2×124242212² = 30872254485305888, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (124242211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15530273 + ... + 15530280.

It is an arithmetic number, because the mean of its divisors is an integer number (36237313).

Almost surely, 2^124242212 is an apocalyptic number.

It is an amenable number.

124242212 is a deficient number, since it is larger than the sum of its proper divisors (93181666).

124242212 is a wasteful number, since it uses less digits than its factorization.

124242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31060557 (or 31060555 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 124242212 is about 11146.3990597861. The cubic root of 124242212 is about 498.9875673439.

Adding to 124242212 its reverse (212242421), we get a palindrome (336484633).

The spelling of 124242212 in words is "one hundred twenty-four million, two hundred forty-two thousand, two hundred twelve".