5105220212 has 6 divisors (see below), whose sum is σ = 8934135378. Its totient is φ = 2552610104.

The previous prime is 5105220203. The next prime is 5105220269. The reversal of 5105220212 is 2120225015.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3217839076 + 1887381136 = 56726^2 + 43444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638152523 + ... + 638152530.

It is an arithmetic number, because the mean of its divisors is an integer number (1489022563).

Almost surely, 2^5105220212 is an apocalyptic number.

It is an amenable number.

5105220212 is a deficient number, since it is larger than the sum of its proper divisors (3828915166).

5105220212 is a wasteful number, since it uses less digits than its factorization.

5105220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276305057 (or 1276305055 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 5105220212 is about 71450.8237321306. The cubic root of 5105220212 is about 1721.8877115834.

Adding to 5105220212 its reverse (2120225015), we get a palindrome (7225445227).

The spelling of 5105220212 in words is "five billion, one hundred five million, two hundred twenty thousand, two hundred twelve".