7220100212 has 12 divisors (see below), whose sum is σ = 13607112036. Its totient is φ = 3332353920.

The previous prime is 7220100203. The next prime is 7220100221. The reversal of 7220100212 is 2120010227.

It is an interprime number because it is at equal distance from previous prime (7220100203) and next prime (7220100221).

It can be written as a sum of positive squares in 2 ways, for example, as 3250596196 + 3969504016 = 57014^2 + 63004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69423989 + ... + 69424092.

It is an arithmetic number, because the mean of its divisors is an integer number (1133926003).

Almost surely, 2^7220100212 is an apocalyptic number.

It is an amenable number.

7220100212 is a deficient number, since it is larger than the sum of its proper divisors (6387011824).

7220100212 is a wasteful number, since it uses less digits than its factorization.

7220100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138848098 (or 138848096 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 7220100212 is about 84971.1728293778. The cubic root of 7220100212 is about 1932.7740016386.

Adding to 7220100212 its reverse (2120010227), we get a palindrome (9340110439).

The spelling of 7220100212 in words is "seven billion, two hundred twenty million, one hundred thousand, two hundred twelve".